Question about 1999 Yamaha YZF-R1
Hi, Tom 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. 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.
service section 13
R1 Derestricted ECU
1998 1999 Yamaha YZF R1 Service Manual R1 Moto Data Project
OEM parts for Yamaha
Posted on Sep 02, 2016
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Posted on Jan 02, 2017
SOURCE: de-restrict an aprilia rs 125
You shouldn't have to restrictions only happen on faster bikes 600cc onwards but if you talking about the inabilty to push your revs to the very max, I wouldn't do this unless you know what you doing, and by you asking this question, you don't know what u doing, this rev restriction is set in place for safety of your engine, rather than restricting speed.,,,
Posted on Nov 10, 2008
It`s ALREADY de-restricted!!! Restriction is only for keeping the 50cc models in the Moped category so some people whould not need an endorsement and not exceed 30mph,
Posted on Nov 10, 2008
They will all glow red when you let them idle for a couple minutes. The timing is retarded at idle I believe. Once reved up they will cool off. I figure best to give them a little rev once and a while to help prevent this.
Posted on Mar 19, 2009
The most common way is move the throttle cable from position one to position two. Check to see if this method will work for you by watching the throttle mechanism at the engine while an assistant turns the throttle (engine not running). When the assistant can turn the handle no farther, see if you can push the mechanism open farther with your finger or a screwdriver. If you can, then you will be able to derestrict the bike by repositioning the cable.
Posted on Jun 20, 2009
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