Question about 2002 Yamaha YZF-R1

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Bike starts ok runs ok when first started,when temp gets to about 80 degrees,it stalls,runs jerky,wont idle ,lack of power,could it be the T.P.S.

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I think the engine oil is the problem.
because i think at above 80 degrees it is loosing its viscosity due to which the piston is slipping inside the cylinder.
change its engine oil .


Posted on Jul 12, 2009

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