bog right off idle

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09 NYTRO RDR

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Mar 4, 2009

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• Jan 18, 2011

• #1

i have a 2010 m8 sno pro and i noticed if i give it enough gas for my clutching to engage and hold it right off idle it bogs out like you hit the kill switch then picks up!! it almost puts me over the handle bars every time does any one know what could be causing this? thanks for the help

 

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troyburt

Well-known member

Mar 29, 2010

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Newfoundland

• Jan 18, 2011

• #2

09 NYTRO RDR said:

i have a 2010 m8 sno pro and i noticed if i give it enough gas for my clutching to engage and hold it right off idle it bogs out like you hit the kill switch then picks up!! it almost puts me over the handle bars every time does any one know what could be causing this? thanks for the help

Click to expand...

belt deflection!

 

T

troyburt

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Mar 29, 2010

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Newfoundland

• Jan 18, 2011

• #3

5 min to change and you will be off

 

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09 NYTRO RDR

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Mar 4, 2009

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• Jan 18, 2011

• #4

thanks for the help! so with belt deflection i just add a shim on the secondary correct? how much deflection should i have?

 

D

DocG

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Dec 28, 2009

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• Jan 18, 2011

• #5

The belt should be even with the top of the clutch.

 

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troyburt

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Mar 29, 2010

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Newfoundland

• Jan 18, 2011

• #6

your belt should be a little higher than your clutch. jack the rear of your sled off the ground and adjust deflection untill your track starts to creep.

 

A

AKDMAX1

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Oct 8, 2009

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eagle river, AK

• Jan 18, 2011

• #7

I had a similar problem that ended up being the throttle safefty switch after i unplugged it never had the problem again. Just a thought..

 

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09 NYTRO RDR

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• Jan 19, 2011

• #8

thanks for the help my belt is way off so i will adjust that!! and also check the safety switch.

 

F_ast

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• Jan 19, 2011

• #9

That is a broken primary spring. Almost 100% sure.

If it has a Black/org. Replace with a yellow/white

 

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SliderJr

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Jan 18, 2010

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Pemberton BC

• Jan 20, 2011

• #10

If the belt deflection doesnt work and you check your spring and its fine, I would check your reeds. If you have an aftermarket muffler there is a good chance the stock reeds are chipped.

 

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artszx

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Nov 28, 2007

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eagle, colorado

• Jan 20, 2011

• #11

i dont mean to hijack the thread, but in regards to the above post; why would the reeds be chipped if you have an aftermarket muffler?

 

markoo

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• Jan 20, 2011

• #12

SliderJr said:

If the belt deflection doesnt work and you check your spring and its fine, I would check your reeds. If you have an aftermarket muffler there is a good chance the stock reeds are chipped.

Click to expand...

Huh?

 

B

Bacon

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Nov 26, 2007

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• Jan 20, 2011

• #13

markoo said:

Huh?

Click to expand...

Ya, I was thinking the same. :der:

 

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09 NYTRO RDR

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• Jan 20, 2011

• #14

The sled is all stock other than a can but I found the problem sure enough my primary spring is broken thank you guys for the help what is the benefit to going to a yellow /white spring set up?

 

S

SliderJr

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Jan 18, 2010

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• Jan 22, 2011

• #15

artszx said:

i dont mean to hijack the thread, but in regards to the above post; why would the reeds be chipped if you have an aftermarket muffler?

Click to expand...

It has to do with the different back pressure from certain smaller mufflers. When your sled backfires from shutting down too fast it does it as well.

It is just something to check, not every can does it... Its more like one in a million chances, but we have seen a couple in our shop. The reeds were actually chipped half off and the sled would Idle super low and bog when you tried to bring your RPMs up to engage the clutch. Very strange and unexpected for sure!