Quick turn throttle? Lighter throttle return spring? - MVAgusta.net
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post #1 of 47 (permalink) Old 03-06-2006, 09:50 AM Thread Starter
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Quick turn throttle? Lighter throttle return spring?

I took the SPR up to Buttonwillow yesterday, and the throttle was driving me crazy.

On my 929 I had an HRC quick turn throttle, it was a very short twist to WFO.

The MV's throttle has to be a longer twist than the 929 was stock, much less with the HRC part. This was messing me up on track, I was having trouble backing off enough to shift, and then get it back to WFO.

Has anyone tried a quick turn throttle on their MV?

Also, the throttle return spring is so stiff! It makes it tougher to do small throttle adjustments, especially in corners. Anyone ever messed with this?

Otherwise, great bike, too bad I was riding it so slow/poorly yesterday.
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post #2 of 47 (permalink) Old 03-06-2006, 10:47 AM
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Quote:
Originally Posted by luvtolean
Also, the throttle return spring is so stiff! It makes it tougher to do small throttle adjustments, especially in corners. Anyone ever messed with this?

Otherwise, great bike, too bad I was riding it so slow/poorly yesterday.
Yes, that's one of my major complains about my MV (the throttle stiffness and quirkness).
It trully sucks and can ruin your riding experience with the MV
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post #3 of 47 (permalink) Old 03-06-2006, 12:07 PM Thread Starter
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Glad it wasn't just me.

I think I'll order the HRC kit and see if I can get it to work.
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post #4 of 47 (permalink) Old 03-06-2006, 12:26 PM
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There are two return springs. Unspring/Uncoil the left spring so it is slack on the perch. Brought to you by Preston/yahoogroups.

Sorry I can't find a picture but don't believe I had to remove the airbox eyebrow to access this. Used needlenose. I'll have a look at lunch.

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post #5 of 47 (permalink) Old 03-06-2006, 01:13 PM
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how timely.

on my ride yesterday, my hand was aching from holding the throttle open. and i ride a LOT (almost every day) so it's not a conditioning issue. never noticed that problem with othe bikes.

i wonder how hard it would be to replace the springs....

and a quick-turn design - you need to change the size of the throttle pulley to FI pulley ratio, right?

alex
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post #6 of 47 (permalink) Old 03-06-2006, 02:45 PM Thread Starter
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Quote:
Originally Posted by JamesC
There are two return springs. Unspring/Uncoil the left spring so it is slack on the perch. Brought to you by Preston/yahoogroups.

Sorry I can't find a picture but don't believe I had to remove the airbox eyebrow to access this. Used needlenose. I'll have a look at lunch.

Thanks man, that will help quite a bit.
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post #7 of 47 (permalink) Old 03-06-2006, 03:49 PM
rob
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Hey guys I'm having trouble with the throttle been hard on the wrist. someone said just to take a few turns out of the spring this will give the spring less tension? anyone tried this it's starting to drive me crazy the throttle like someone else said it's rather hard to be smooth.
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post #8 of 47 (permalink) Old 03-06-2006, 04:40 PM
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Removing the left spring is the best method IMO. That spring is quite tight and won't take kindly to "taking a few turns out" I'll take pictures once I get home unless you want camera phone quality now

JamesC

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post #9 of 47 (permalink) Old 03-06-2006, 05:25 PM
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Quote:
Originally Posted by JamesC
Removing the left spring is the best method IMO. That spring is quite tight and won't take kindly to "taking a few turns out" I'll take pictures once I get home unless you want camera phone quality now
James..Pete here.
Mate that would be great if you could get pictures of what you've done.
I'd be very interested in doing this mod.

Thanks in advance.
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post #10 of 47 (permalink) Old 03-06-2006, 05:33 PM
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James is THA MAN!!!!
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