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Thread: Engine trouble?? R-1 Help wanted

  1. 29th March 2006, 19:46 #1
    lewises
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    Engine trouble?? R-1 Help wanted

    Hi all!

    99 R1 w Full arrow system

    Riding my bike to work the other day and as I got closer to arriving I noticed that the bike was only dropping back to about 2000rpm at idle.

    On the way home the bike started surging at idle but pulling ok under load.

    I am no mechanic so all sorts of dark imaginings start running thru my head.

    Bike is reasonably high K's @74000 and is noisy enough to warrant a cam chain soon. Wondering if there are any thoughts as to the idle/surge?

    I start to worry about things like rings,timing,valves etc.

    HEEEEELLLLLLPPP!!!
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  2. 29th March 2006, 20:07 #2
    Sensei's Avatar
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    May pay to check the Throttle postion sensor , my Triumph did this abit till I had it reset then all was good .

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  3. 29th March 2006, 20:58 #3
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    Thumbs up

    Yep basics first, carbs etc
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  4. 29th March 2006, 20:59 #4
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    Quote Originally Posted by Sensei
    May pay to check the Throttle postion sensor , my Triumph did this abit till I had it reset then all was good .
    I thought only injected bikes had TPS?

    Anyway, sounds like a airleak or carb problem?Doesnt sound like anything to major.
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  5. 29th March 2006, 21:31 #5
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    Quote Originally Posted by Sensei
    May pay to check the Throttle postion sensor , my Triumph did this abit till I had it reset then all was good .
    I THOUGHT THAT R1 WAS CARBURATED AND THE TPS IF FITTED WAS JUSTFOR THE PROPORTIONAL SPARK SYSTEM
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  6. 29th March 2006, 21:41 #6
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    Winja...

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  7. 29th March 2006, 21:44 #7
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    I thought they still had TPS on the Carby models may be wrong could explain why they are so Gutless ??

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  8. 29th March 2006, 22:06 #8
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    Quote Originally Posted by Sensei
    I thought they still had TPS on the Carby models may be wrong could explain why they are so Gutless ??
    THE LATER ONES HAD A HALF ARSED INJECTION SYSTEM WITH A CV CARB TYPE SLIDE , AND FUCK THEY WERE GUTLESS , I BORROWED AN 03 R1 FOR THE DAY AND AT FIRST I THOUGHT THEY GAVE ME THE R6 BY ACCIDENT.
    THE 99 R1 ISNT BAD ITS ALMOST AS FAST AS A C1 OR C2 ZX9
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  9. 29th March 2006, 22:39 #9
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    Sometimes when practising stoppies mine will start to idle really slowly, slow enough to stop the engine. But just turn the key off and start it up again and seems to run sweet again, maybe it just don't like the bumps?.
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