Question about 1985 Yamaha XJ 900 F
How do i adjust the tension on a timing chain on a yamaha xj 900
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 $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.
Cam Chain Adjustment
XJ900 Cam chain adjuster
Yamaha 95 XJ900S Service Manual
OEM parts for Yamaha
Yamaha diversion 900 XJ900S Owner Manual
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Posted on Nov 03, 2016
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Posted on Jan 02, 2017
all v twin engines are noisy, if you could totally silence the exhaust noise, you would be horrified how awful the motor sounds, it could probably do with the cam chain tensioner ADJUSTING. i wouldn't think it would need replacing. unfortunately the manual only recomends this being done by a qualified tech, i have a xvs 650 with same trouble. i would adjust myself if i could find out the correct tollerences.
Posted on Mar 27, 2009
You bike is running rich on the main jet. Go down on the main jet size. Alternate to that, move the jet needle clip up one notch.
Go to the site below and you can download a free PDF service manual and parts manual for your bike. The service manual is 45th from the bottom of the Yamaha listings and the parts manual is 19th from the top. Now you can tune the carb and adjust the timing chain slack and a whole lot more. It saves my keystroke finger a lot of work also.
Please rate this solution. Thanks glouellette!
Posted on Apr 21, 2009
SOURCE: Need to set floats on an xj 700
with the float bowl off and holding the carb level, adjust the float where it is level and the jet is up enough to seal. float should be set then.
Posted on May 07, 2009
The XJ600 has a self adjusting timing chain tensioner, although it's robust enough, like the previous post say's they can stick. To remove the adjuster look at the back of the engine on the cylinder head, the tensioner is there, two bolts hold it on one above and one below. to remove the tensioner there is a spring tensioner in the centre of the unit, undo this with care it hold the pressure spring in place on the plunger. Now remove the retaining bolts very carfully, equal turns on each bolts (do not take one out fully, leaving the other in place fully tight).
Once off the engine DO NOT ROTATE the engine. The tensioner should move freely, although there is a rachet system that locks it out, if it moves out freely then it's fine. To re-fit the tensioner release the tensioner make sure it's adjusted fully inwards and use a fresh gasket. The tensioner only firs one way, if it won't fit don't force it and it can be broken easily. Tighten both retaining bolts evenly and per the removal. Re-fit the tensioning spring and retaining bolt (do not over tighten) the plunger is self adjusting from here.
Posted on Jun 08, 2010
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