Question about Yamaha SR 125 Motorcycles
How to adjust the timing chain
Posted by Anonymous on
Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Yamaha Sr125 timing
OEM parts for Yamaha
YAMAHA SR125 Owner Manual
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e
Posted on Jan 30, 2017
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Posted on Jan 02, 2017
SOURCE: yamaha tw 125
The noise you hear is valve clatter. You should not adjust your timing chain. Instead get a manual and find the vlave clearances for that bike. (Ex. The exaughst valve may be .006" and the intake valve may be .004") Then you'll need a feeler gauge, and to do this you'll remove the valve covers and get the engine to TDC (Top Dead Center) This is where the piston is at the very top of it's stroke and both valves are shut. (compression stroke) You must then loosen the rocker arm nut to the point that you can insert the feeler gauge between the rocker arm and the top of the valve run the nut down tight to the feeler gauge and then pull gauge out and repeat on the other valve.
Posted on Aug 24, 2009
Get in touch with your local yam dealer ,and speak to a mechanic ,they may be able to help ,or get hold of a workshop manual .
Posted on Mar 13, 2010
'93 SR125 Valve clearances are :-
Inlet 0.05 - 0.09mm
Exhaust 0.11 - 0.15mm
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Posted on Apr 30, 2010
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