The Best are never long enough! Outstanding tutorial from start to finish, another looksy for memory's sake. This video gives good insight to the many CT70 parts available and ballpark costs associated, where to find some and where to look for other parts (throttle assembly - wow). The DAX 'handle' sets this Honda 70 apart, but I'm not catching everything on first view. Great resolve on that front sprocket dilemma and heads-up. Electrical wiring is intimidating to lots of us, but you did an excellent demonstration/ explanation here and made this very doable. HOPE to see this one ridden!
Awesome video Mike! I don’t think anyone could have explained it any better. Doesn’t seem as intimidating as it’s always been to me. I nominate this for video of the year! Exactly what I was hoping for, only better!
Thanks for the video that really helped me. I was not sure why there were two sides to the red battery wire but knowing its for a starter now makes sense.
Perfect timing! My YX 140cc engine and my Trail Buddy harness are in the mail. Thanks for sharing this information. I told Ron at Trail Buddy what I needed and he made me a custom wiring harness. I think I only paid $15 extra.
So I thought I heard that you live in Indiana? I'm in Bloomington and if so that's awesome. I've watched a lot of wiring videos but you by far take the time and don't rush thru it and I'm new to this stuff and it's greatly appreciated. So keep the videos coming because you know your stuff and it's not a stressful thing to wire a bike up when you have a good coach. Keep 2 wheels down Mike.
@@MiniBikeMikeafter doing the grounded stator swap how come i can only check volts when the bike is not running? the voltmeter doesnt even read anything
Hi Mike, i went to replace the battery in my son's 1991 Honda CT70 and found a huge mouse nest underneath. I am trying to clean it out and in the process found 2 wires that were broken off from who knows where. One is green with a yellow stripe and the other is black they are taped together. Would you know where they come from? TY
@@devonm7868 Sounds like they are the foot brake switch, for lighting the brake light. Black is 12v power into the switch and green/yellow is the power leaving the switch to the light.
I am re-watching because I’m using a Lifan-125 engine in my ct70. Other than the bulbs in headlight & taillight (no turning signals) do I need to put new ends on taillight/headlight pigtails to fit on the trail buddy harness for 12 volt? Will the stock 6v horn still work and will I need to change the end to plug into the harness? And what about the rectifier do i need a 12 volt rectifier? Thanks so much for your wealth of knowledge on these it’s been very helpful.
The taillight wires should have the correct wire ends. The headlight should be plug n play also, but depending on the switch you’re using, there may be a wire or two that will need the ends changed. The 6v horn works great with 12v, keep it. It should plug directly in. You will need a 12v regulator.
I have a lifan 125cc with a yellow and pink wire coming from the stator. I'm assuming the yellow is for the lights and pink is for the battery. The problem I'm having is the headlight doesn't light up at idle, but comes on when I rev the engine.
I’ve given up on the stators with a pink wire. For $15, you can pick up a new stator on Amazon with the yellow and white wires. $15 is cheap to have all your troubles disappear.
@@MiniBikeMike ok sounds like a plan. Yeah I've tried everything. Do you recommend going with the same style 6 coil just one without the pink wire or go with a 2 coil like the ones in the original Honda motor?
So Mike, aside from the harness also needed is 12v Coil, flasher ,DC CDI, regulator, lite bulbs... but is their a work around using the existing 6v wiring system with the Lifan 125 engine??Thanks
Bill, you’ll get a coil and CDI when you purchase a Lifan engine, those parts are part of the kit. You will need to purchase a regulator, if you’re running lights. Same with flasher, if you’re running signals. I’m sure there is a way to use the original harness, but I’ve never attempted to use one. In my mind, the amount of time it would take to rework the original harness with wiring ends that will plug into the Lifan engine and it’s parts.......it’s just way easier and quicker to install a new harness that is designed to go with the engine.
@@MiniBikeMike Mike I purchased 72 CT70 with installed Lifan 125cc and is still 6v , don't have a clue as to wiring but it seems to run ok but throttle cable to long, do you recall the length on your blue CT 70. Thanks very much for your assistance
@@billlester3088 The Lifan is a 12v engine. If your bulbs are 6v, they must have a step down regulator in the system or all the bulbs would blow.....like I blew the headlight on the blue bike. I use a throttle cable with a 36” cable length. I think the outer sheath is 32”. Twist Throttle and 36" Cable Handle Grip Kill Switch Set for 7/8" 22mm Handlebar 49cc 66cc 80cc Engine Motorized Bicycle Push Bike www.amazon.com/dp/B08MFGPZHP/ref=cm_sw_r_cp_api_glt_fabc_248Q3QKW28V807Z29M05?_encoding=UTF8&psc=1
24:53 If i understand correctly, if you want working light from batery not from stator you not conecting these yellows wires right ? Thx Mike 🙂 *Sorry for my english 😁
I ran into an issue that I’m unsure of. Instead of a yellow and white wire from the engine mine came with 2 yellows. Would it matter which one went to white?
If you’re looking at the regulator plug and the red wire goes to top left. Connect the white wire to whichever yellow is below the red wire, in the bottom left spot.
@@MiniBikeMike Hi. The harness end is all good. White wire coming out below the red wire and out down the line with the wires that I need to plug into the engine wiring. The engine wiring itself is where I have 2 yellow wires instead of a white and a yellow.
@@davidkobelka7219 I’m not a fan of the stators with two yellows. You can try plugging a yellow into each of the yellow and white of the harness. Start the bike and measure voltage at the battery. If it’s above 13v, you’re good to go. Most of the time, with two yellows, it goes like this: Pick one of the yellows, doesn’t matter which one, and connect it to ground. Take the other yellow and connect it to both the yellow and the white in the harness. Hopefully, this will work for you.
@@MiniBikeMike Hi. Ok thanks for the info. It’s sure funny with these engines how every one is a whole new ballgame. I ordered the same one as you. Mine came missing the cdi and with 2 yellow wires lol. I’ll try both your suggestions thanks. In the meantime I’ve ordered a cdi and a new stator I’ll see what I get. Thanks again for taking the time to answer. Have a great day
hey, Your video confirms to me that I connected everything correctly. But I see what I did wrong that still leaves me with no spark. And that's the kill switch connector. Can you tell me where you connected that wire from the kill switch connector to? Because I can't figure it out.
@@MiniBikeMike i mean what you are talking about at 24:05 does this have to be wired to get a spark? and what should it be connected to? i also have an ignition switch to turn off the engine but i plugged everything in but still no spark
@@Ongekendd I had forgotten that the bike in my video had a separate kill switch. No, you do not have to use these wires. You should get spark, even if they are left unplugged.
i dont have a key switch i only have a kill switch, i pluged the kill switch to the kill switch wires in front i pluged i think everything good and when i start the bike only headlight is working and nothing works. i little confused its becouse i dont have keyswitch ?
The harness has a white plug with 4 wires (red, black, green & black/white). This is where a key switch would plug in. If you’re not using a switch, you somehow need to connect the red wire and the black wire in that 4 wire plug.
@@MiniBikeMike no but wires colours same and i pluged everything and now everything working i watch this video 5 times and i learn from 0 to what u say in this video big thank for you
The YX engines have a different type of charging stator. I believe you take one of the yellows from the engine and send it to ground. The other yellow is tied together with both the yellow and white wires in this harness.
my engine has a 5 pin plug connector with a blue wire, black wire, green wire, and two yellow wires but my wiring harness has bullet connectors and has blue, black, green, yellow and white wires as opposed to two yellows like there are on the engine side, can anyone help me out please? I'm not sure which colors to connect
@@jeffreyharbin5211 Blue/white to blue/white Black/red to Black/red Green to Green Yellow of engine to ground Yellow of engine connected to both yellow and white of harness.
@MiniBikeMike wow you responded super fast I can't thank you enough! I'm still confused however, I know to connect blue to blue, green to green and black to black, but the stator has two yellow wires and so I'm not sure which yellow from the stator goes to the yellow in the harness and which wire goes to the white and I really don't want to mess anything up, is there any way to know for sure exactly which yellow wire from the stator is supposed to be connected to the yellow on the harness and which yellow wire from the stator goes to the white wire on the harness side? I would open the stator to confirm but I'm not really sure how to determine which coil is the charging coil so that I can plug that yellow wire into the matching white wire on the harness side
@MiniBikeMike it's kind of hard to understand when I have a harness with one yellow and an engine connecotr with two yellow wires.. I'm not sure which yellow on the engine side to connect to the yellow on the harness side, I'm not an expert and as far as I know the two yellows on the engine side might do different things and so I don't want to get them mixed up and ruin anything is all and your reply doesn't help me differentiate which yellow is which and I still feel I need more explanation or else I fear I may break something (for example one yellow might be for lights and one yellow might be for charging and I don't want to mix it up and fry anything) and it's a little hard to understand such a complex thing in point form with no explanation, yes I read it fully but am still a little confused, are you sure you read my comment fully? I figured I'd ask you, the expert but you seem to think we share the same skillet and that is not true whatsoever and so I will need more of a detailed explanation of the two yellows in order to know what to do, unless the two yellows are both lighting circuits and doesn't matter which way they're hooked up and the charging circuit is controlled by a different wire but as I said I'm not sure how this system works and am not sure what colors to plug into what as it's only 60% color coded, your harness looks different than mine so it's hard for me to understand based off this video alone,
@@jeffreyharbin5211 If you go back and read my first response, it tells you exactly how to connect the two yellow wires. I’ll type it out again….. One of the yellows from the engine connects to chassis ground. The other yellow from engine connects together with both the yellow and white wires of harness.
question at 31:20 the gray wire . is that keyed hot or constant hot ? or did i miss something ? you lit a fire under my ass to get this long project done. 👍
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The Best are never long enough! Outstanding tutorial from start to finish, another looksy for memory's sake. This video gives good insight to the many CT70 parts available and ballpark costs associated, where to find some and where to look for other parts (throttle assembly - wow). The DAX 'handle' sets this Honda 70 apart, but I'm not catching everything on first view. Great resolve on that front sprocket dilemma and heads-up. Electrical wiring is intimidating to lots of us, but you did an excellent demonstration/ explanation here and made this very doable. HOPE to see this one ridden!
I would really love a 1 on 1 wiring class for my bike it’s somewhat similar
👍🏻
Wow. This made life easy. Thanks again Mike.
Awesome video Mike! I don’t think anyone could have explained it any better. Doesn’t seem as intimidating as it’s always been to me. I nominate this for video of the year! Exactly what I was hoping for, only better!
Thanks Mike!
Thanks for the video that really helped me. I was not sure why there were two sides to the red battery wire but knowing its for a starter now makes sense.
Perfect timing! My YX 140cc engine and my Trail Buddy harness are in the mail. Thanks for sharing this information. I told Ron at Trail Buddy what I needed and he made me a custom wiring harness. I think I only paid $15 extra.
So I thought I heard that you live in Indiana? I'm in Bloomington and if so that's awesome. I've watched a lot of wiring videos but you by far take the time and don't rush thru it and I'm new to this stuff and it's greatly appreciated. So keep the videos coming because you know your stuff and it's not a stressful thing to wire a bike up when you have a good coach. Keep 2 wheels down Mike.
Thanks! I’m just north of you, in Martinsville.
Thank you, sir ... Happy spring time :) bring us along for the gmc swap
I’ve got the GMC on my schedule for mid-May. 👍🏻
Thanks for this video. I was able to rewire my friend's SS50 with your help ;-)
Good job explaining. Great videos.
Great Video ! Explained very well
Thanks!
I had the cool toys in the 70s ..i wanna build up an old 78 atc 110
Great video !! 👍🏼
Thanks!
Hey there, thank you so much for going through this seriously. Just wondering where does the brown get its power?
@@JoeDontaskme It’s tied in with the black wires.
can you plug in the brown or black wire into the turn signal switch instead of the gray wire from the trail buddy harness?
@@MotocrossGuru-zf8pk The gray wire comes from the flasher. If you used the brown or black, the lights will come on, but not flash.
@@MiniBikeMikeafter doing the grounded stator swap how come i can only check volts when the bike is not running? the voltmeter doesnt even read anything
Great video thanks for sharing
Thanks for watching!
I laughed when you said you didn't have the tank. I would have fired mine up today if I had my tank.
Thank I’m ready to start mine
👍🏻
Hi Mike, i went to replace the battery in my son's 1991 Honda CT70 and found a huge mouse nest underneath. I am trying to clean it out and in the process found 2 wires that were broken off from who knows where. One is green with a yellow stripe and the other is black they are taped together. Would you know where they come from? TY
@@devonm7868 Sounds like they are the foot brake switch, for lighting the brake light. Black is 12v power into the switch and green/yellow is the power leaving the switch to the light.
I am re-watching because I’m using a Lifan-125 engine in my ct70. Other than the bulbs in headlight & taillight (no turning signals) do I need to put new ends on taillight/headlight pigtails to fit on the trail buddy harness for 12 volt? Will the stock 6v horn still work and will I need to change the end to plug into the harness? And what about the rectifier do i need a 12 volt rectifier? Thanks so much for your wealth of knowledge on these it’s been very helpful.
The taillight wires should have the correct wire ends. The headlight should be plug n play also, but depending on the switch you’re using, there may be a wire or two that will need the ends changed.
The 6v horn works great with 12v, keep it. It should plug directly in.
You will need a 12v regulator.
I have a lifan 125cc with a yellow and pink wire coming from the stator. I'm assuming the yellow is for the lights and pink is for the battery. The problem I'm having is the headlight doesn't light up at idle, but comes on when I rev the engine.
I’ve given up on the stators with a pink wire. For $15, you can pick up a new stator on Amazon with the yellow and white wires. $15 is cheap to have all your troubles disappear.
@@MiniBikeMike ok sounds like a plan. Yeah I've tried everything. Do you recommend going with the same style 6 coil just one without the pink wire or go with a 2 coil like the ones in the original Honda motor?
@@airwreckfpv8009 I prefer the 2 coil version.
@@MiniBikeMike thanks for the help
So Mike, aside from the harness also needed is 12v Coil, flasher ,DC CDI, regulator, lite bulbs... but is their a work around using the existing 6v wiring system with the Lifan 125 engine??Thanks
Bill, you’ll get a coil and CDI when you purchase a Lifan engine, those parts are part of the kit. You will need to purchase a regulator, if you’re running lights. Same with flasher, if you’re running signals.
I’m sure there is a way to use the original harness, but I’ve never attempted to use one. In my mind, the amount of time it would take to rework the original harness with wiring ends that will plug into the Lifan engine and it’s parts.......it’s just way easier and quicker to install a new harness that is designed to go with the engine.
@@MiniBikeMike Mike I purchased 72 CT70 with installed Lifan 125cc and is still 6v , don't have a clue as to wiring but it seems to run ok but throttle cable to long, do you recall the length on your blue CT 70. Thanks very much for your assistance
@@billlester3088 The Lifan is a 12v engine. If your bulbs are 6v, they must have a step down regulator in the system or all the bulbs would blow.....like I blew the headlight on the blue bike. I use a throttle cable with a 36” cable length. I think the outer sheath is 32”.
Twist Throttle and 36" Cable Handle Grip Kill Switch Set for 7/8" 22mm Handlebar 49cc 66cc 80cc Engine Motorized Bicycle Push Bike www.amazon.com/dp/B08MFGPZHP/ref=cm_sw_r_cp_api_glt_fabc_248Q3QKW28V807Z29M05?_encoding=UTF8&psc=1
@@MiniBikeMike once again Mike you have come through, I am very appreciative, keep the video's coming and grow the channel
Do I use a full wave regulator or half wave . 125cc ssr motor. Thanks
If your engine has one white and one yellow, it should be a half wave engine.
@@MiniBikeMike does this mean you would need a half wave regulator/rectifier than?
@@dannymotovlogs4254 yes
24:53 If i understand correctly, if you want working light from batery not from stator you not conecting these yellows wires right ? Thx Mike 🙂
*Sorry for my english 😁
@@faridave Correct. Connect the headlight switch to a black wire.
I ran into an issue that I’m unsure of. Instead of a yellow and white wire from the engine mine came with 2 yellows. Would it matter which one went to white?
If you’re looking at the regulator plug and the red wire goes to top left. Connect the white wire to whichever yellow is below the red wire, in the bottom left spot.
@@MiniBikeMike Hi. The harness end is all good. White wire coming out below the red wire and out down the line with the wires that I need to plug into the engine wiring. The engine wiring itself is where I have 2 yellow wires instead of a white and a yellow.
@@davidkobelka7219 I’m not a fan of the stators with two yellows. You can try plugging a yellow into each of the yellow and white of the harness. Start the bike and measure voltage at the battery. If it’s above 13v, you’re good to go. Most of the time, with two yellows, it goes like this:
Pick one of the yellows, doesn’t matter which one, and connect it to ground. Take the other yellow and connect it to both the yellow and the white in the harness. Hopefully, this will work for you.
@@MiniBikeMike Hi. Ok thanks for the info. It’s sure funny with these engines how every one is a whole new ballgame. I ordered the same one as you. Mine came missing the cdi and with 2 yellow wires lol. I’ll try both your suggestions thanks. In the meantime I’ve ordered a cdi and a new stator I’ll see what I get. Thanks again for taking the time to answer. Have a great day
hey,
Your video confirms to me that I connected everything correctly. But I see what I did wrong that still leaves me with no spark. And that's the kill switch connector. Can you tell me where you connected that wire from the kill switch connector to? Because I can't figure it out.
I didn’t use the kill switch wires, because I’m using the key switch to shut down the engine. You can leave the kill wires unplugged.
@@MiniBikeMike i mean what you are talking about at 24:05 does this have to be wired to get a spark? and what should it be connected to? i also have an ignition switch to turn off the engine but i plugged everything in but still no spark
@@Ongekendd I had forgotten that the bike in my video had a separate kill switch. No, you do not have to use these wires. You should get spark, even if they are left unplugged.
@@MiniBikeMike Can I send you a message or an email? I clearly need help with my problem.
@@Ongekendd email is: ct70help@gmail.com
I bought 110cc lifan engine frontspraketis15 t what number to go with the back buy 36t no fiting help me please
I typically run a 17t on the engine. Make sure you get one for a 420 chain and the correct spline shaft….17mm or 20mm.
Hi Mike. If I measure ac voltage from white and yellow wires. How much I should expect when the engine runs
i dont have a key switch i only have a kill switch, i pluged the kill switch to the kill switch wires in front i pluged i think everything good and when i start the bike only headlight is working and nothing works. i little confused its becouse i dont have keyswitch ?
The harness has a white plug with 4 wires (red, black, green & black/white). This is where a key switch would plug in. If you’re not using a switch, you somehow need to connect the red wire and the black wire in that 4 wire plug.
@@MiniBikeMike in my harness i dont have plug but in the front i see red black/white and then black and green
@@serg_g7 oh, I thought you were using the harness I’m using in the video. If not, I don’t have a clue without seeing the entire harness you have.
@@MiniBikeMike no but wires colours same and i pluged everything and now everything working i watch this video 5 times and i learn from 0 to what u say in this video big thank for you
Nice
Same process for the piranha yx 140?
The YX engines have a different type of charging stator. I believe you take one of the yellows from the engine and send it to ground. The other yellow is tied together with both the yellow and white wires in this harness.
@@MiniBikeMike thank you so much, I got everything ordered and can't wait to do it!Amazing video!
Where do I buy this harness
Trail Buddy
mytrailbuddy.com
Part# TB422
Does this work on a Lifan 200
Unfortunately, I’ve never used one of those engines, so I’m not sure.
could you send me a copy of page for the wires. hell i got same set up but i lost the dang paper
my engine has a 5 pin plug connector with a blue wire, black wire, green wire, and two yellow wires but my wiring harness has bullet connectors and has blue, black, green, yellow and white wires as opposed to two yellows like there are on the engine side, can anyone help me out please? I'm not sure which colors to connect
@@jeffreyharbin5211
Blue/white to blue/white
Black/red to Black/red
Green to Green
Yellow of engine to ground
Yellow of engine connected to both yellow and white of harness.
@MiniBikeMike wow you responded super fast I can't thank you enough! I'm still confused however, I know to connect blue to blue, green to green and black to black, but the stator has two yellow wires and so I'm not sure which yellow from the stator goes to the yellow in the harness and which wire goes to the white and I really don't want to mess anything up, is there any way to know for sure exactly which yellow wire from the stator is supposed to be connected to the yellow on the harness and which yellow wire from the stator goes to the white wire on the harness side? I would open the stator to confirm but I'm not really sure how to determine which coil is the charging coil so that I can plug that yellow wire into the matching white wire on the harness side
@@jeffreyharbin5211 I explained what to do with the engine yellows. Did you read the entire comment?
@MiniBikeMike it's kind of hard to understand when I have a harness with one yellow and an engine connecotr with two yellow wires.. I'm not sure which yellow on the engine side to connect to the yellow on the harness side, I'm not an expert and as far as I know the two yellows on the engine side might do different things and so I don't want to get them mixed up and ruin anything is all and your reply doesn't help me differentiate which yellow is which and I still feel I need more explanation or else I fear I may break something (for example one yellow might be for lights and one yellow might be for charging and I don't want to mix it up and fry anything) and it's a little hard to understand such a complex thing in point form with no explanation, yes I read it fully but am still a little confused, are you sure you read my comment fully? I figured I'd ask you, the expert but you seem to think we share the same skillet and that is not true whatsoever and so I will need more of a detailed explanation of the two yellows in order to know what to do, unless the two yellows are both lighting circuits and doesn't matter which way they're hooked up and the charging circuit is controlled by a different wire but as I said I'm not sure how this system works and am not sure what colors to plug into what as it's only 60% color coded, your harness looks different than mine so it's hard for me to understand based off this video alone,
@@jeffreyharbin5211 If you go back and read my first response, it tells you exactly how to connect the two yellow wires. I’ll type it out again…..
One of the yellows from the engine connects to chassis ground.
The other yellow from engine connects together with both the yellow and white wires of harness.
For 6 volts? Please
Lifan engines are 12v.
It looks like a big mess, until it gets broken down wire by wire
question at 31:20 the gray wire . is that keyed hot or constant hot ? or did i miss something ? you lit a fire under my ass to get this long project done.
👍
Hi sir