Question about 1990 Yamaha XJ 600

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Xj600 oil coming from exhaust

There is black oil coming out of my exhaust and I have to keep sorting revs as there all over the place on once engine is hot and ticking over

Posted by Anonymous on

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  • Yamaha Master
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Hi, Anonymous and the usual suspects are:
1. Piston rings worn past service specs.
2. Broken piston rings.
3. Piston pin retaining clip failure.
4. Cracked piston.
5. Broken piston ring lands.
6. Hole in the piston.
7. Valve/guide clearance worn past service specs.
8. Worn out valve seals.
9. Crushed or loose valve seal.
10. Gouges in cylinder walls.
11. Cracked cylinder or head.
12. Blown head gasket.
13. Crankcase breather blocked or hose pinched.
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.
http://www.snowest.com/forum/archive/index.php/t-330866.html
Need advise on an oil leak
https://biker.ee/manuals/yamaha/Yamaha_XJ600S_1992_Service_Manual.pdf
OEM parts for Yamaha
Yamaha XJ600SF Owner Manual

Posted on Nov 24, 2016

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SOURCE: gilera dna oil light and also rev counter.

Have you had an oil gauge on the line to check what pressure you are running at? You may want to try running a heavier oil in the engine. If you are running a synthetic oil switch back to ester oil. If this does not remedy the problem then a new oil pump will be the fix

Posted on Aug 10, 2009

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SOURCE: '02 Yamaha XJR1300 Rattle/vibrating noise from bottom of engine

how do you adjust the headlight beam on a xjr1300 naked 2002 bike, is it as simple as undoing the 2 bracket bolts at the sides of the lights and re-setting the lights to a new level ??
currently it seems to be set for riding with a pillion passanger or heavy load at the rear as the lights are set low, no one flashes me even if i ride at night with full beam on !

thanks xjr cambs

Posted on Sep 10, 2010

cmobe2
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SOURCE: 2001 r6 keeps pushing all the water out of the expansion tank and when hot does not want to run

Possibly has air in the coolant system causing the coolant to boil. You can flush the whole thing if your coolant is in need, but mainly open the radiator cap and shake all hoses to release air while adding more coolant. Also may be the radiator cap spring (maybe). I am not sure about why it will not start up... maybe a sensor will not allow it.

* I am not certified in anyway and have minimal knowledge, my 05 r6 had air in the coolant and would boil out of the overflow. Make sure you use distilled water to avoid corrosion.

Posted on Sep 07, 2012

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There are only three places you can lose oil.

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