Question about Jincheng 50 MX Motorcycles
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Posted on Jan 02, 2017
you use a set of feeler guages to measure the gap between the valve and the tappet (the arm that opens the valve) there is a intake and exhaust gap setting. you'll have to do some research to find out what the gap should be for your motor.
Posted on Apr 18, 2009
Try here---> www.manualclub.com
you gotta register but it's free and harmless.
Posted on May 31, 2009
Not sure about clearance levels, but can tell you there is no English manual for the XJR 400 - only Japanese. Try the XJR owners club. It's full of troubleshooting questions answered in the forums.
Hope this helped
Posted on Jul 27, 2009
I will come back to you with the method for adjusting this.
If you set the power valve to open at a higher rpm or restrict the vavle from opening to its maximum then your problem will be solved.
If you do the latter though you will definately lose your power at high rpm.
Posted on Aug 04, 2009
SOURCE: New Bike Serviced Required??
I would try another dealer as these bikes normally
have hydraulic valve adjusters and do not need
adjusting. Service can take an hour or two
depending on what oils they change etc.
Posted on Aug 21, 2009
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