PIT BIKE Chain Tensioning. Why, When and How.
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- Опубликовано: 27 июл 2024
- This is a beginners guide to pit bike chain care. Alignment,tension and lubrication.
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MOTO MACHINEZ UK 
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I can tell by some of the comments saying it's still too loose that they
don't understand the geometry of the swing arm's movement and how the
chain will tighten when the suspension is compressed. Sure- go ahead and
make it tighter and stretch the chain, wear out your sprockets and
damage the output shaft bearing.
Brilliant video. Clearly explained . Done my sons bike properly after watching. Many thanks
Thank you and im glad it helped. Appreciate the feedback 🙏
really helpfull video this! love watching these kind of videos
you are great at these videos. someone thinking to Show which nut is which when your speaking on it. Its crazy how many ppl don't.
Thanks for knowledge I'm about to have some late fun with my pit bike. I love that thing 😍
my mate put my chain back on recently and left my tensioners loose and told me to try it, next thing the chain comes off and cracks my engine including completely wrecking my crankshaft had to buy a new 125 engine because I had no clue or no one to turn to help me fix it. ALWAYS make sure these tensioners and tight and fit properly with no movement and check after and before EVERY ride!
Perfect video spot on
Been watching ur videos for a while and then recently a 170 detroit came up for sale in my area unexpectedly so I bought it what a beast of a pitbike it is.
Cheers hope you enjoy the content mate. You got the demon or wpb Detroit?
MOTO MACHINEZ UK the demon x, was wondering if youv had any problems with urs ive had a few with mine had to replace the wiring loom recently
@@Illusive23 no problems apart from me not doing timking nut up properly. I have experienced a dodgy wiring loom on 160. I got 50 odd hours on mine now and runs like a swiss watch. I hear the kick start can be a problem
MOTO MACHINEZ UK yeh what do u mean by the timing nut and yeh ive got the non decompression model so ive heard the kickstart shaft tends to snap sometimes if it kicks back
@@Illusive23 when I did the timing the nut on the valve i should have done up tighter was my fault so i bent a outlet valve. I over revved it then it would hardly start so that's why I had to do timing. I've heard a few snapping kickstart shaft. If you got a good technique it will be fine.
Nice helpful video 👍
Thank you glad you found it helpful mate.
Great vid mate good demonstration do love that nobly on the back wheel where did you get it mate and how much
Alright mate it's a cheap 1 off ebay. I got it a while back I cant remember price was about £20 but it looks better in person than on pictures. I got my eye on maxxis set for £75 I know these will improve handling massively.
@quadruple treble 1888 depends how well its maintained and how hard its been ridden. Need to look for signs of wear
@@motomachinezuk8786 where do you buy parts for the 190 beast? Brought one second hand. Needs a few little bits
@@robsykes3828 I find my stuff on ebay mate
Respect...
It happend to me alot of time my stator cover is ruined now it leaks oil
Thanks Mate from the colonies.
Hope it helped
Thanks
My M2R 125 chain came off yesterday and got all jammed up in the little cog, I got the chain back on properly but now when I push the bike the wheel locks up after a few seconds pushing it then unloosens then locks back up. Any suggestions what the problem might be ?
Sounds like you've kinked the chain possibly
Hey, brilliant vid, my bike has an issue when accelerating up hill it jerks if you like. Thought it could be the sprockets but there only a couple of months old? Will tightening the chain help? Thanks again.
Could be yes chain should always be correct tension. Sprockets could be worn can but I doubt it. Maybe rear sprocket is loose 🤔.
Thanks, yes I took it apart and the front one is loose, also the air filter was clogged ill get back to you and let you know it it works👍
Hmmmm I cleaned it all out and degrease it. It had a ton of grease on it and still kinda does? It's reduced but not fixed the problem. Tension was pretty good like yours. The rear brake is causing some resistance but it seems to be more the chain that vibrates????
Can’t beat abit of lubracation
If the chain is to tight in 2nd a 3rd gear when high reaving it skips like I'm on and the throttle jerking motion
Worn sprocket
Hey. My bikes chain seems to be making a noise against the chain wheel white thing. Any suggestions??
Thats ok it is only a chain guide just to keep inline. Sorry late reply only just seen
Great explanation/video, when are you going to do some more pit bike riding videos????
Cheers I only really done this as when i plan to ride it lashes down too much. Buller refuses to ride when wet. I hope to ride this weekend if everywhere not like a swamp. I'm so annoyed wanna shred the 190 more, its gutting . So many plans and weather stops play.
MOTO MACHINEZ UK yeah its annoying because i love watching your videos, as i have no bike at the moment your videos are inspiring me to get another bike 😂 you and buller are so funny, keep up the good work bro
Sometimes when i get to 4th gear in my bike (Apollo RXF, YX140 Motor) it kind of go blank for a second, kind of as if it was in neutral or as if the clutch was slipping (it doesn't slip at all when its actually in gear). Is it possible the chain is skipping? Only happens in 4th gear, rarely. Checked tension today and it seemed a bit loose, will adjust tomorrow
Could be a worn or damaged sprocket with teeth missing but weird how only happens in 4th. How used is it? Could be the 4th gear cog worn. Loose chain could be possible but I'm guessing not with those symptoms?
Hope this helps
@@motomachinezuk8786 thanks a lot for replying! Yesterday i adjusted the chain and surprisingly the problem is gone
Do your chain hang low?
Do it wobble to da flow?
Do it shine in the light?
Is it platinum, is it gold?
Could you throw it over ya shoulder?
It it's hot it make you cold
Hello m8, I heard best chain lubricant is automatic transmission oil.
Hello yes I tend to use transmission/gear oil and brush it on lightly to mainly keep the rust off
What’s that tool called for the accuracy? I’ve seen them before just forgotten the name
It's called a caliper mate
Hi what kind of oil is you using with the brush?
It's just the cheapest 2stroke oil I could find. Great for chains
Is it better to adjust the tensioning on your chain when it's brand new out the box and tight? Or is it better left the way it is? It would be great to get some advice from you bro.
you absolute muppet! you need to keep the chain tight all the time. You need to tension it everytime its too loose. Especially when your buying a new chain.
What dors it mean when the chain goes tight and slack when spinning the back wheel?
Its stretched. Sometimes it's ok but if the tight spot puts pressure on sprockets it's not great.
@@motomachinezuk8786 its only getting tighter by a few mil and is only just noticeable tbh. I just got a new super stomp 125. Took it out for the first time on the weekend and the chain went slack. Thanks for the quick reply!
@@PkmHax keep it lubed and tensioned correctly regularly and it will last a while mate. No problem always try to help people and reply asap
Youve gained a subscriber here! Take care man!
Dude I'm no mechanic and I've just put together a 140cc THUMPSTAR.. There's a pin in the rear lock nut, do I pull that out before cracking it mate ??!?
If the nut has a split pin then yes remove to undo and re insert once done up. I think this is what you asked ? Hope it helps
@@motomachinezuk8786 Majik thank you 👌
Bought a 1000w pit bike 2weeks back and chain making a noise, think it was too tight, will it be damaged now?
Won't be damaged but will need realignment and correct amount of slack. 1000w should not damage chain much
@@motomachinezuk8786 tried slacking it off, still making a noise, maybe it’s not the chain
@@lassydogpie5390 can also make a noise if dry
@@motomachinezuk8786 it’s oiled plenty, I’ll take chain off see if it’s the motor
@@motomachinezuk8786 chains fairly tight but rattles all over if you lift up back wheel and watch it
Hi so i have 125 pitbike the back wheel locked up due to ripping the sprocket of the back wheel but the bike still starts just no clutch is it the plate or the clutch endearment mechanism
Hi I can't comment never had this problem so its a new 1 to me. Sounds strange
Still looks too loose to me I think it should only move about a quarter of an inch to an inch
It’s hard for me to believe that the chain should be this loose! I know ribbon tight is bad but juggling all over the place?
That loose is tighter than what it says in manual that's what I mean. All dirt bikes vary and my electric bike says 10 to 15mm slack, that is tight.
Wrenching tip a lot of people don’t know of grasp easily.... But I learned tearing down power transformers. When wrenching , flip the wrench over in the hand each time you perform a turn movement, the angle of a wrench is perfectly setup so that you can make the same degree of movement and if you flip the wrench over in your hand the wrench teeth align perfectly with the nut. This lets you eventually go very fast. This is becaus your not having to adjust the angle of the wrench to fit it on the nut, just flip the wrench over and you’ll see it slides right on . Also good for wrenching when you can’t see the nut.
I'm listening I shall try doing that, not sure there was enough room to spin completely but I'm not sure. My first lesson on spanner was never pull towards, learnt hard way there. Always push away.
Cheers I will definatelty try this, good form etc...
My chain keeps coming off any tips?
Need it tighter I think mate
MOTO MACHINEZ UK fixed it thanks 🙏🏾
Just FYI, a cog is only one of several teeth found on a sprocket.
That chains to long that wants a link out
how can i donate a set of digital calipers lol
Lol analogue all the way here i actually do have an electric set for when accuracy is vital like piston or rings etc ... so rarely use that batteries need replacing everytime the job warrants them.
This did make me laugh
How come the chain gets looser when I sit on the bike
Geometry. It will tighten up when compressed. That's why slack is needed. But not too much that that it falls off sitting on it. Because gearbox is separate from the swing arm. Hope this helps