Valve Clearances, Honda CB125F (2021 onwards)
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- Опубликовано: 25 июл 2024
- Checking and adjusting the valve clearances on my 2022 Honda CB125F.
00:00 Intro
00:20 Remove fairings
00:47 Cylinder head cover
01:12 Finding TDC
02:12 Exhaust valve
03:10 Inlet valve
03:30 Reassemble and test 
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Fantastic bush bike bell. Great bikes, so easy to work on. Cost little to buy, maintain, rego and insure. Best in class on petrol too. Nice and light to take out of the garage. Centre stand to make it easy to store and for maintenance. The only thing that could be better for me is the top end speed, and dreading when you see a big long hill. That being said, I know that’s not what the bike is for. Thanks for running us through this.
Very clear instructions and complete details thanks
thanks for a great vid. really well presented.
Tengo ese modelo de moto. Gracias por explicar el ajuste de válvulas. Esperamos más vídeos explicando las reparaciones básicas y no tan básicas de esta moto.
Thank you. Just realized mine needed to be done 2000 km ago 😂
Thanks for the great video. Not sure if I have the nerve to try it for myself yet!
Very good
흡기 배기 조정이후에 크랭크 축 몇번 돌려서 다시 상사점 맞추고 확인하셔야 정확합니다.
Good tip, thank you!
Sir this valve clearance is company recomanded ? Show the book of valve clearance plz
Does anybody know how to find the idle adjustment screw on this bike? What needs to be removed to see it?
In India this bike is called sp125
Great video as always. I noticed a small amount of oil near the large semi circle rubber seal on the left side of the cover as you push it in when the engine is warm a little moist line appears ???
On your bike? I guess that's a vulnerable area - the big rubber seal could change shape and allow a drop of oil out. It's not under much pressure, just protects the rocker and stops oil squirting out, so as long as you're not losing a lot of oil not a big worry. Easy enough to replace that seal: www.bike-parts-honda.com/honda-motorcycle/125-MOTO/CBF/2022/CBF125MM/Engine/CYLINDER-HEAD-COVER/103400/E_01/1/45503
Thank you so so much Richard your a champion really appreciate your time and effort.
Hey Richard new gasket worked a treat. Any chance of a sprocket chain combo ?
@@brucemichailidis8951 Excellent, nice one. That's definitely on my list - the chain/sprocket is starting to wear after 7k miles, so when the time comes I'll definitely film it.
Thanks Richard look forward to it cheers mate
Do you have a source for the valve clearances?
Someone on FB phoned up Blackpool Honda. Best we could do.
Isn't there a shop manual foe these somewhere? Honda still does PDF ones for the bikes.
I can't find one. Please do share if you have!
At how much km we should set it
Every 6,000 km (4000 miles)
Hey there, nice one
Why you didn't show the T mark on the flywheel and the groove on the engine
👍
Thanks! I haven’t figured out how to turn the crank with a socket on this bike so I haven’t seen the flywheel at all. Turning the back wheel works ok so I just used that.
What's a matter not got a spanner for tappet.
input 0.20, output 0.08? I understood correctly, I can’t find information from the manufacturer anywhere. Thank you
I am not sure about that as the Haynes manual for the older versions of this bike states 0.12mm exhaust (+ or - 0.02mm) and 0.08mm inlet (+ or - 0.02mm) which is where I set mine 4 months ago and haven't had any issues. It is a 2022 Honda CB 125 F I own. When I reset the valve tappets recently the exhaust had closed slightly but was still within spec. Obviously need clarification on the clearances but to me 0.2mm seems a bit of a large gap!
Other way round! inlet 0.08 exhaust 0.2. The exhaust clearance is always greater than the inlet because it gets much hotter.
You didn't show the most important part of valve clearance. Timing
I don't think it's adjustable on the modern bike as it's all electronic. I remember turning the distributor on my 1980 fiesta to 'convert' it to unleaded petrol.
he showed to put the bike top dead center
He showed the timing marks and explained to put the engine at top dead centre on the compression stroke. Incidentally you can check and adjust the clearance at any position where the cam lobe is pointing away from the rocker arm or in the case of direct overhead cams, the valve itself.