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post #1 of 19 (permalink) Old 05-16-2009, 09:58 PM Thread Starter
 
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clutch sheave and performance

Hi, i have a 07 660 rhino 26" tires dyna tech cdi box, K&N air filter, LRD slip on silencer, head pipe weld is ported out...i got like 47mph then i added fix performance clutch sheave and rollers and carb kit got the needle clip on 2nd groove and 175 main jet it seems to be burning perfect buy looking at spark plug 1st run after new sheave i got 52mph it started cutting out on top end, 2nd time it started at 49mph then tonight it was cutting out at 47mph can any help
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post #2 of 19 (permalink) Old 05-16-2009, 10:13 PM
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The engine is cutting out or it won't go any faster ? It shouldn't play a part on ur motor just overall speed and how it gets there depending on the weight that you use
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post #3 of 19 (permalink) Old 05-16-2009, 10:17 PM Thread Starter
 
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i used the wieghts...rollers.. they sent with the sheave and recomended..the engine is cutting out at first i thought it may be running out of fuel like maybe fuel pump wasnt pumping enough for that high of rpm but then it just seemed to get slower bottom end seems great and mid range is good its just breaking up on top end and everytime i run it it seems to be at a slower speed..i only have about 10 miles on it since installing the sheave...is the stock fuel pump enough or should i go with a high volume? and what about a better coil or should the stock be fine also when i put the new sheave on they sent grease i didnt use very much but could it be something with that

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post #4 of 19 (permalink) Old 05-16-2009, 10:27 PM
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That's weird that your motor is cuttin out, I have heard of people putting there sheaves together and a roller would flop out of the groove which throws the top speed all off. If you only messed with the sheave I would take it back apart and make sure the rollers are in the grooves and nothing looks weird. It almost sounds like a fuel issue.... I'm not a pro and still learning like u so hopefully someone else will throw in some .02 but I would start with the sheave and go from there good luck
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post #5 of 19 (permalink) Old 05-16-2009, 10:29 PM
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Or a smashed vent line...
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post #6 of 19 (permalink) Old 05-16-2009, 10:32 PM Thread Starter
 
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thanks for trying...yeah its got me stumped before the sheave it ran like 47mph and the motor never broke up...you mean a vent line for the clutch?
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post #7 of 19 (permalink) Old 05-16-2009, 10:43 PM
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Vent line on the motor in general, maybe when throwin the cover on you caught a line or something. I'm just throwing ideas out cause the sheave shouldn't have anything to do with the motor cutting out just what's getting put to the ground. That's y I said maybe a vent line on the motor you had it running good before the sheave install and you didn't adjust anything else at the same time of the sheave install
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post #8 of 19 (permalink) Old 05-16-2009, 10:47 PM Thread Starter
 
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good point i will check that out never really thought of that...thanks...i did the carb work at the same time as the sheave
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post #9 of 19 (permalink) Old 05-16-2009, 11:00 PM
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Its prob a smashed line or I the jetting which I don't no enough about to even try to BS my way thru ! Lol there are a lot of people on here that do know so I'm sure you will get somemore info on ur prob. Good luck of the issue and def like us know what the prob is when u fig it out
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post #10 of 19 (permalink) Old 05-18-2009, 04:07 PM
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Quote:
Originally Posted by hdkickit View Post
good point i will check that out never really thought of that...thanks...i did the carb work at the same time as the sheave
clean the carb again



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