You forgot to talk about the marks on the Motion Pro tool. As you said, on some bikes it's REALLY tough to bend the feeler gauge to get it in there. So as an alternative, you can do this: Once you get the clearance just right with the feeler gauge, you note down the position of the knob. Now turn the knob to tighten the adjuster until it just touches the valve stem (ie. 0 clearance now). Note how much you had to turn that knob. Let's say you turned the knob 20 minutes. From now on you don't have to use feeler gauges anymore. You just loosen the lock nut, tighten the adjuster until it touches the valve, and then back up 20 minutes, and it will be the correct clearance.
There is an easy way to turn the motor over for doing valve adjustments if your bike has a center stand. Put the bike up on the center stand, put the bike into gear (a higher gear preferably as it will reduce the effort needed) and slowly turn the back wheel forwards
I do it every time I change the oil on my scooter. Gotta wait for the oil to drain anyway, might as well check the valve clearance and spark plug condition.
Those Z125 and Honda Groms are awesome little bikes. When I get some extra disposable income that isn't already claimed by any of the two bikes or 3 cars I already own, I'm definitely adding one of those little things to my garage! Great vid also btw, watched it just cuz I'm watching all the vids in your series, but this one I watched while checking valve lash on my B18C powered DC2 time attack racer.
I did the valves on my CBR500R it wasn't too bad, shim style, but unlike my CBR650F which I haven't hit the miles yet to need it, the 500R was shim over bucket and had a bolt that dropped the cam out of the way enough to reach the shim, the 650F is traditional inline-4 style of shim under bucket which requires the removal of the whole cams, it will definitely be an adventure, if I even do it myself.
Ok so last week I had the valve clearance on my lil 125cc bike checked and adjusted on the dealership. The poor thing just sounded bad. I didnt even bother to go back to the dealership, I went straight to a local private shop just around the corner and the engine sounded like new. Do dealerships even regularly check the work of their mechanics?
I have done this many times to motorcycles and cars/trucks. The clearance is not perfectly parallel because the rockers move in an arc, while the valves are linear. How do you account for that? I have always resorted to "ear" adjustment after I get a few set with feeler gauge. Motion Pro tool is nice.
+Ari Henning Just watching other shim videos is tedious. Then there's the whole "keeping all the parts" thing, and the "damn, did I just drop the timing chain?" thing, and the "great, my shim kit doesn't have the shim I need" thing. I'll probably need to take a Xanax just to get started. ;)
many people think that the clearances get looser over time. in fact, the valve clearances get tighter not looser. this is due to valve recession. if you don't adjust them eventually the valves will fail to completely seal the combustion chamber and you lose compression.
@@sanketjain9320 the only way to be 100% sure is to check the valve clearances with a feeler gauge. a compression test will only tell you if you have good compression, it wont tell you if the valve gap is too big or too small IE you could have good compression and still have valve clearance out of tolerance. if you got low or no compression then its more likely something worse than simple valve clearance adjustment.
@@Gruxxan if the gap is too small and over time the seals have burnt, shouldn't the compression test show a loss of compression.? I agree the reverse isn't true - loss of compression could be due to a lot of things.
@@sanketjain9320 the seals being burnt would lead to a loss of compression but you would want to check the gap before it gets to that stage. you can have good compression and the gap be too small so you would need to open the gap to bring it back to tolerance. having a gap thats .01 mm too smalll wont necessarily mean you lose compression but over time it will continue to wear and eventually you will end up losing compression. thats why its a tolerance. if its not within tolerance you have to adjust it. the only way to know is to check with feeler gauge
Thank you for this informative vedio.. Can you make a vedio, why we need to adjust valve clearance,, is it good to adjust without using feeler gauge, like some mechanics did.?
I have a 2003 yamaha v star 1100 and I need to check my valve clearance but I can not find feeler gauge blades with the proper thickness that is needed. Would it be recommended if two blades are used to get the measurement required.
Great vid as always!!! Has anyone else struggled with cracking the adjusting nut and has any tips please? I have a 1990 Kawasaki ZZR250 with a 9mm lock nut and I'm worried I'm gonna snap it in two just loosing it any help would be greatly appreciated please
What if you adjust your valves, get them within spec, and now you have excessive tinging? It’s possible I did something wrong, but I’m assuming the valves are burnt up, any thoughts?
His words are fast but they are important. He said "If the clearance increases you're gonna get really noisy valve train but if the clearance decreases, your valves might not able to close all the way. When that happens it doesn't take longer for the hot exhaust gases to burn the valve seals and then you are really in trouble. Valve seal is the rubber cap on the valve rod hidden inside the spring. Even if the T mark is on the top and the rocker arm is not loose then we have to rotate 360 degrees again in anti clockwise direction to bring the T mark on the top vertical line and then the rocker arm will become loose. Now we can adjust the valve clearance by sliding feeler gauge metallic scale between the rocker arm screw and the valve rod. We have to adjust the require millimetre gap for the exhaust valve and intake valves mentioned in the user manual.
@@Mr.N42069 I have two Briggs & Stratton powered pit bikes and a 37.7 Friction Drive bicycle, and never have to bend the feeler to do my valve adjustments, which are usually about once a month your valve stems are probably sticking
@@Brian81-207 i did a full rebuild on them a couple months ago and haven’t noticed anything. I bend it cuz where the valve cover screws on, it has a lip that makes the feeler go in at a an angle and can make it feel tight when it not. On go kart and mini bike engines, u shouldn’t have to cuz the cover is a lot bigger and the valves are more exposed. I got a 5.5 Briggs on a go kart and don’t have to bend them ether.
Ari, i have a bike similar to the z125 just a bigger version. 0.04mm is the minimum intake/exhaust valve clearance right so if i adjust it higher would it mean that the valves are more open or will it have a higher stroke or shorter? hope to hear from you guys ASAP.
Why are the factory valve clearances noisy on older engines? It sounds like the clearance is too loose even when its adjusted to spec. Thats why local mechanics use tighter than spec valve clearance on old engines. Can anybody enlighten me?
Lol I just made my bike not able to start now. I think I screwed them down too tight but I think I should have loosened them. It gave a few loud pops but wont start as if its suffocating. I'm about to just bring it to the mechanic and get a new bike lmao
Valve clearances is one of the mantenaince jobs more "forget" in motorcycle and car engines. I know cars that have more than 100k miles and never check valves.
Ya, a lot of people don't think cars even modern ones need an inspection and adjustment. Hydraulic valves don't instantly mean lifetime self adjusting.
my honda xr 150L intake tappet valve clearance is .08mm and exhaust is .12mm(standard).. i brought it back to my dealer for a tune up at 12k km odo. they adjust the intake to 0.10mm and ex 0.12mm . any this adavantages for not following the standard clearance?
Getting a bad feeling about this video...is this the best???? People need to know if the lock nut has to be tighter than there rest....cause it loosens.... Nevermind nevermind
***** I hear you man. When I was deployed the sandstorms used to run a number on my eyes. Even with goggles the fine particles would find a way. Cheers bro!
This is very rushed. Only advanced mechanics would understand but then again these are the people that wouldn't need to watch this video. So, what's the intended audience?
my honda xr 150L intake tappet valve clearance is .08mm and exhaust is .12mm(standard).. i brought it back to my dealer for a tune up at 12k km odo. they adjust the intake to 0.10mm and ex 0.12mm . anny disadvantage for not following the standard clearance?
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Learned on a XR650R - thing was bullet proof and a hand-grenade to ride. One of the best bikes Honda ever developed. Thank you Scott Dunleavy
The part of how to determine TDC was spot on. Everything I found only stated to get to TDC but never explained how to get there. Thanks!!!!!!
You forgot to talk about the marks on the Motion Pro tool. As you said, on some bikes it's REALLY tough to bend the feeler gauge to get it in there. So as an alternative, you can do this: Once you get the clearance just right with the feeler gauge, you note down the position of the knob. Now turn the knob to tighten the adjuster until it just touches the valve stem (ie. 0 clearance now). Note how much you had to turn that knob. Let's say you turned the knob 20 minutes. From now on you don't have to use feeler gauges anymore. You just loosen the lock nut, tighten the adjuster until it touches the valve, and then back up 20 minutes, and it will be the correct clearance.
i wouldnt do this its not THAT big of hassle to not check it again after tightening the nut
Thanks alot. Adjusted the 2 valves on my 125cc Keeway RKS and it runs like a charm.
There is an easy way to turn the motor over for doing valve adjustments if your bike has a center stand. Put the bike up on the center stand, put the bike into gear (a higher gear preferably as it will reduce the effort needed) and slowly turn the back wheel forwards
Curious about why my service manual would tell me to take off the crank case cover instead of just doing this. Any thoughts?
How many people actually do this valve clearance inspection and adjustment on their bikes?? dealers can barely do a poor tire replacement job.
then you have to learn how to do it and do it yourself.
NoShadowOfDoubt I just did my first clearance check last week. I’ll never pay someone else to do it again. I do my own tires too thanks to Ari.
I do, but I have a 125 with screw types so it isn't much harder than what's shown in this video.
ruclips.net/video/DnuwUmDg4Z4/видео.html
it's easy
I do it every time I change the oil on my scooter. Gotta wait for the oil to drain anyway, might as well check the valve clearance and spark plug condition.
never seen that tool before, that would make my job so much easier on the transalp. the front exhaust valve is really tight to work on
wow, much simpler than expected. Thanksguys.
can you make a video about how to change the cam chain tensioner?
I'd love to see that!
I agree!
Great videos in the MC garage section, thanks for all the content and visual information, pro level.
Those Z125 and Honda Groms are awesome little bikes. When I get some extra disposable income that isn't already claimed by any of the two bikes or 3 cars I already own, I'm definitely adding one of those little things to my garage! Great vid also btw, watched it just cuz I'm watching all the vids in your series, but this one I watched while checking valve lash on my B18C powered DC2 time attack racer.
if these maintenances were as easy as you guys make it seem , the mechanics wouldnt charge so much for labor :)
This kind of valve adjusters make it super easy. Shim under bucket type is where it gets complicated. (as Ari said in the video)
Mudux yes i herd but not everyone has z125 or would trade their 600 or 1000cc for one just for that
ebubekir binici doesn't change the fact that it's easier to do on some bikes than others.
Mudux yea and thats why i said the videos not just this video.
i think its 12 euros for this tipe of bike
I did the valves on my CBR500R it wasn't too bad, shim style, but unlike my CBR650F which I haven't hit the miles yet to need it, the 500R was shim over bucket and had a bolt that dropped the cam out of the way enough to reach the shim, the 650F is traditional inline-4 style of shim under bucket which requires the removal of the whole cams, it will definitely be an adventure, if I even do it myself.
Ok so last week I had the valve clearance on my lil 125cc bike checked and adjusted on the dealership. The poor thing just sounded bad. I didnt even bother to go back to the dealership, I went straight to a local private shop just around the corner and the engine sounded like new. Do dealerships even regularly check the work of their mechanics?
I need a Z125 in my life
I got a Grom, I'm sure it's equally a pleasure to ride.
I want a grom
The OG
I have done this many times to motorcycles and cars/trucks. The clearance is not perfectly parallel because the rockers move in an arc, while the valves are linear. How do you account for that? I have always resorted to "ear" adjustment after I get a few set with feeler gauge. Motion Pro tool is nice.
Thanks, I'll try it like that next time on my hotrod '71 cb350!
Looks like I'm going to a mechanic for this one 😂
I like these videos looking forward for the shim style adjustments.
I have a question, so when I’m done checking the valve clearance I leave the TDC or it needs to go back to another settings?
Awesome vid mate
I'm looking forward to the shim video. I think I could do it on my own, but the work is overwhelming.
+Ari Henning Just watching other shim videos is tedious. Then there's the whole "keeping all the parts" thing, and the "damn, did I just drop the timing chain?" thing, and the "great, my shim kit doesn't have the shim I need" thing. I'll probably need to take a Xanax just to get started. ;)
Nice video, but it's missing an important bit of info: How much to tighten the lock nut?
I've managed to have shims on literally every bike ive owned. At least they don't have to be done as often
can you make a video on how to prepare your bike for storage.
hopefully before 21 november
What gear should the bike be in to perform this maintenance?
many people think that the clearances get looser over time. in fact, the valve clearances get tighter not looser. this is due to valve recession. if you don't adjust them eventually the valves will fail to completely seal the combustion chamber and you lose compression.
Some get looser and some get tighter. It really depends on your bike
Can a compression test help us to know if we need a valve clearance check or not?
@@sanketjain9320 the only way to be 100% sure is to check the valve clearances with a feeler gauge. a compression test will only tell you if you have good compression, it wont tell you if the valve gap is too big or too small IE you could have good compression and still have valve clearance out of tolerance. if you got low or no compression then its more likely something worse than simple valve clearance adjustment.
@@Gruxxan if the gap is too small and over time the seals have burnt, shouldn't the compression test show a loss of compression.?
I agree the reverse isn't true - loss of compression could be due to a lot of things.
@@sanketjain9320 the seals being burnt would lead to a loss of compression but you would want to check the gap before it gets to that stage. you can have good compression and the gap be too small so you would need to open the gap to bring it back to tolerance. having a gap thats .01 mm too smalll wont necessarily mean you lose compression but over time it will continue to wear and eventually you will end up losing compression. thats why its a tolerance. if its not within tolerance you have to adjust it. the only way to know is to check with feeler gauge
Thank you for this informative vedio..
Can you make a vedio, why we need to adjust valve clearance,, is it good to adjust without using feeler gauge, like some mechanics did.?
I have a 2003 yamaha v star 1100 and I need to check my valve clearance but I can not find feeler gauge blades with the proper thickness that is needed.
Would it be recommended if two blades are used to get the measurement required.
Do you guys have to replace an o-ring when you do this though on a z125?
Thanks for another great video!
Can’t ignore it on a 06-07 R6 they’ll get outta spec quick pretty soon 😅
Great vid as always!!! Has anyone else struggled with cracking the adjusting nut and has any tips please? I have a 1990 Kawasaki ZZR250 with a 9mm lock nut and I'm worried I'm gonna snap it in two just loosing it any help would be greatly appreciated please
Ari how are you? congratulations for these videos.
What if you adjust your valves, get them within spec, and now you have excessive tinging? It’s possible I did something wrong, but I’m assuming the valves are burnt up, any thoughts?
Feeler it is?! I've always thought it was Filler as it fills the gabs or the clearances intended to be measured :'D
Please do a video on Quickshifter
please do the shim under bucket valve adjustment type !!!
Hello, help is possible. Before I find the timing chain, I need to turn it to the mark. What could be the problem.
best video ive seen!
His words are fast but they are important. He said "If the clearance increases you're gonna get really noisy valve train but if the clearance decreases, your valves might not able to close all the way. When that happens it doesn't take longer for the hot exhaust gases to burn the valve seals and then you are really in trouble. Valve seal is the rubber cap on the valve rod hidden inside the spring. Even if the T mark is on the top and the rocker arm is not loose then we have to rotate 360 degrees again in anti clockwise direction to bring the T mark on the top vertical line and then the rocker arm will become loose. Now we can adjust the valve clearance by sliding feeler gauge metallic scale between the rocker arm screw and the valve rod. We have to adjust the require millimetre gap for the exhaust valve and intake valves mentioned in the user manual.
I have never seen or heard of anyone, having to bend the feeler to get it into the valve who the hell taught this guy
I have too on my pit bikes. If I don’t, then the feeler will be at an angle and can be hard to adjust accurately.
@@Mr.N42069 I have two Briggs & Stratton powered pit bikes and a 37.7 Friction Drive bicycle, and never have to bend the feeler to do my valve adjustments, which are usually about once a month your valve stems are probably sticking
@@Brian81-207 i did a full rebuild on them a couple months ago and haven’t noticed anything. I bend it cuz where the valve cover screws on, it has a lip that makes the feeler go in at a an angle and can make it feel tight when it not. On go kart and mini bike engines, u shouldn’t have to cuz the cover is a lot bigger and the valves are more exposed. I got a 5.5 Briggs on a go kart and don’t have to bend them ether.
Do a lot of motorcycles require the locking nut to be torque tightened?
can you make a video about hydrolic clutch and normal clutch?
my 250 overheating now i think i wasnt on tsc so now inm just gonna let the local shop do it. i fixxed something that didnt need to be fixxed...
TDC*
How do you check the chain tensioners?
Where can I find vavle clearance specs for the 2021 XT250? Thanks.
Im riding a suzuki dr 350,if i open up the valve plates and the other pates,wont all of the oil fall out ?
Which tool did you use to remove the timing cover?
I want to buy one
Ari, i have a bike similar to the z125 just a bigger version. 0.04mm is the minimum intake/exhaust valve clearance right so if i adjust it higher would it mean that the valves are more open or will it have a higher stroke or shorter? hope to hear from you guys ASAP.
bloodspill ganz tighter your clearance, wider your valve opening.
ruclips.net/video/DnuwUmDg4Z4/видео.html
Why are the factory valve clearances noisy on older engines? It sounds like the clearance is too loose even when its adjusted to spec. Thats why local mechanics use tighter than spec valve clearance on old engines. Can anybody enlighten me?
Lol I just made my bike not able to start now. I think I screwed them down too tight but I think I should have loosened them. It gave a few loud pops but wont start as if its suffocating. I'm about to just bring it to the mechanic and get a new bike lmao
What size is the adjustment special tool?? Link please
so what happened with this z im still waiting to see another final HP and torque video with all the mods u did
Do you have to drain the oil before checking valves??
1:51
It's not necessary to drain the oil, unless you already have an oil change planned. Check your oil level after you're done to be safe.
I want to see valve adjustment on a Ducati demo please. : )
***** Understood!
No you don't!
Valve clearances is one of the mantenaince jobs more "forget" in motorcycle and car engines. I know cars that have more than 100k miles and never check valves.
Ya, a lot of people don't think cars even modern ones need an inspection and adjustment. Hydraulic valves don't instantly mean lifetime self adjusting.
I've owned a car with valve adjustment intervals recommended right around 100k miles.
Hi Ari,
How about a video on tappet settings?
regards
Harpreet
harpreet panesar this is exactly what that is.
I think i'll let the dealer worry about this for me.
my honda xr 150L intake tappet valve clearance is .08mm and exhaust is .12mm(standard).. i brought it back to my dealer for a tune up at 12k km odo. they adjust the intake to 0.10mm and ex 0.12mm . any this adavantages for not following the standard clearance?
Apparently your dealer is worried about the factory spec being too tight. Valves do tighten up with use, maybe they are being cautious?
Do we need to come to T mark once for intake and rotate again for exhaust valve?
nope
on a 4 stroke 4 cylinder bike yes, definitely.
Not on the single cylinder motor tho
Thanks for the video, very helpfull to me. And how i accidentally or forget and turn the motor in clockwise? Does it will damage my engine parts?
Bangga Supradhana enggak mas
Can a valve leakage cause motorcycle hard to start after sitting for 8 hours ?
More than likely your valve adjustment is too tight.
good stuff!
Which motion pro tool works with the z125?
Nice vid! Can you make a "quick" video how to do the Desmo service on a Ducati? xD
Sweet! Once I saw some figures from Desmo but i didn´t understand them properly. Thx Ari! :)
The Filler Gauges link isn't enabled on this vídeo.
Is it just me or does it look like Ari faced an entire eighth before shooting this?
Nah, he just took a dab.
Pro tip: you can use the starter to nearly turn the engine to the desired TDC ;)
The F mark is for static timing of spark plug fire - not just about to "T" as you said,
o how i miss doin this to my old xr 650l
How to check swingarm bush make a vedio
Thank you for the guidance (Y)
Getting a bad feeling about this video...is this the best???? People need to know if the lock nut has to be tighter than there rest....cause it loosens.... Nevermind nevermind
Why do Ari's eyes always look red?
Ari likes to be high when recording that videos - it makes him feel more confident and relaxed.
***** I hear you man. When I was deployed the sandstorms used to run a number on my eyes. Even with goggles the fine particles would find a way.
Cheers bro!
come on now! we all know you love to take a big old puff of the magic dragon, Ari ahahahahah jk
The downside of HD video.
weed
Oh lordeee
This engine look like old pitbike honda Dux ?
There is not TDC for and exhaust stroke, it’s an called over lap.
KEVINOPHOTO overlap for the cam and valves, TDC for the piston.
don't make it harder.
This dude is hot😂 makes easy for watching the videos
Fucking cbf, getting my mechanic to do it lmao
Looking forward to your followup video. This bike's sure a lot easier than mine! :-]
www.xjrider.com/viewtopic.php?t=5260
I have a valve that has a little tit on it any one know the cause😮
This is very rushed. Only advanced mechanics would understand but then again these are the people that wouldn't need to watch this video.
So, what's the intended audience?
Learnt nothing
Aha
wow, much simpler than expected. Thanksguys.
If I open my timing cover on my 2006 crf150f, oil spills out... is that bad or do i need an oil drain before doing this?
my honda xr 150L intake tappet valve clearance is .08mm and exhaust is .12mm(standard).. i brought it back to my dealer for a tune up at 12k km odo. they adjust the intake to 0.10mm and ex 0.12mm . anny disadvantage for not following the standard clearance?