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-   -   Wk trail 125cc valve clearence (http://www.chinariders.net/showthread.php?t=33965)

Mshotta 03-17-2024 07:42 PM
Wk trail 125cc valve clearence
 
Does anyone know the valve clearence on the wk trail 125cc please? Struggling to find any info online.

Bruces 03-17-2024 07:59 PM
Never heard of that bike or the manufacturer ,where are you from ?

Mshotta 03-17-2024 08:00 PM
Quote:
Originally Posted by Bruces (Post 405749)
Never heard of that bike or the manufacturer ,where are you from ?
WK is short for white knuckle trail 125cc. I'm from the UK

TominMO 03-17-2024 09:51 PM
What is the engine make and model? That info should be right above the engine serial number.

Edit: For a small motor like this, which produces little heat, appropriate clearances would be:
INTAKE
.03mm, or .0012in
EXHAUST
.05mm, or .0020in
If they sound a little clacky, you could adjust them slightly tighter, but these will do. Exhaust valves always see more heat, so they are generally set up looser to allow for valve stem expansion.

Mshotta 03-18-2024 05:08 AM
Quote:
Originally Posted by TominMO (Post 405753)
What is the engine make and model? That info should be right above the engine serial number.

Edit: For a small motor like this, which produces little heat, appropriate clearances would be:
INTAKE
.03mm, or .0012in
EXHAUST
.05mm, or .0020in
If they sound a little clacky, you could adjust them slightly tighter, but these will do. Exhaust valves always see more heat, so they are generally set up looser to allow for valve stem expansion.
Hi buddy thanks for your reply I will try them specs.

The engine numbers are

156fmi
*DA051O26*


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