Question about 2001 Yamaha YZF-R1

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When I pull off I have a flat spot on my bike and then again at about 170 km an hour.

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Hi, Tom and the usual suspects are:
1. Throttle cables misaligned or misrouted.
2. Damaged or restricted fuel tank venting system.
3. Intake system air leak.
4. Vacuum piston malfunction.
5. Pinholes or torn diaphragm.
6. Accelerator pump leaking or no output.
7. Plugged bowl vent or overflow.
8. Fuel level in bowl too low.
9. Restricted fuel supply passages.
10. Plugged jets or passages.
11. Worn or damaged needle or needle jet.
12. The enrichner valve not seated or leaking.
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.
Faulty TPS symptoms for 2007 R1
2000 2001 Yamaha YZF R1 Service Manual R1 Moto Data Project
OEM parts for Yamaha

Posted on Sep 01, 2016


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Posted on Jan 02, 2017

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SOURCE: Hello i have a yamaha majesty yp400 i found out today that my bike should go 170 km but mine goes only 120 130 km maximum can u help

Hi, Jamal you may want to clean your air filters and make sure the throttle cables are adjusted for maximum slide opening for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. If necessary, transport your bike to the dealer or shop and have a professional technician take it for a test drive, if it is in running condition, and give you a written estimate of repairs and answer any specific questions you may have about your problem. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
OEM parts for Yamaha
2008 Yamaha Majesty Scooter Review Motorcycle USA

Posted on Jun 11, 2016

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