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-   -   Can't go wot on new gy6 (http://www.buggymasters.com/forum/showthread.php?t=6164)

Leesiel 05-24-2017 10:55 PM

Can't go wot on new gy6
 
Title says it all. Installed a new gy6 broke it in with no real issues ; now when I accelerate from 0- low speeds it feels as if my chain is "jumping" teeth on one of my sprockets. Chain is reasonably tight (per recommendations) . No teeth are missing or damaged.
I don't believe it is the chain but that's the only way I can think of to explain how it feels , not a slippage but a jerking lurch.
Anyone ever have this issue or have any ideas ?
Motor runs great other than that.
My buggy is a crossfire 150 (non R )

x-bird 05-25-2017 06:58 AM

variator weights out of place or broken clutch springs/worn out clutch.

Leesiel 05-25-2017 09:25 AM

Thank you for quick response.
Wouldn't that be a more consistent issue than just low speed heavy throttle launches ?
I am just starting to learn about these gy6 motors/transmissions so I'm not questioning your response just trying to understand why something like this happens to a new gy6.
What do I look for when I open her up?

SYCARMS 05-25-2017 11:45 AM

There should be 3/8" to 1/2" play in the chain. I can tell you that on my Blade if the chain is too tight it will act like yours. The chain has to have some play.

Leesiel 05-25-2017 08:29 PM

Quote:

Originally Posted by SYCARMS (Post 52841)
There should be 3/8" to 1/2" play in the chain. I can tell you that on my Blade if the chain is too tight it will act like yours. The chain has to have some play.

It has 1/4 -3/8 " of play I'll try loosening a little to see if it helps. Thnx

Leesiel 05-31-2017 06:48 PM

2 Attachment(s)
Fixed the issue I believe ; I think it was a combination of things
1. A "sheath" for the main engine mount bolt didn't get installed during engine swap.
2 rear engine mount was missing washers and had bent the bolt that was holding it. Added thicker washers and replaced bolt.
3. Tightened chain to about a 1/4 of an inch in play. Adjusted till problem disappeared.
Two passengers and several WOT launches later no more lurching.
:drive:

scjeep4.7HO 06-04-2017 06:44 PM

Mine feels like that after the clutch gets hot. But I know my clutch is absolutely shot.


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