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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc. |
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#1
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Counter balancer part number
Can anyone on here dig up a parts diagram for a 98 gasgas ec250 for me, i need the balance shaft and gear. I currently have a 05 ec300 motor in a yz250f chassis that vibrates like wild. I would love to find a balance shaft that i could throw in a buddies bottom end that i can buy for next to nothing. His has been deleted years ago and has no balance shaft. Thanks guys
Keith |
#2
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Nice project.
FYI. The balance shaft engine has different mounting points. |
#3
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The Gas Gas Quads had counter balanced engines.
Here are your part #s. https://www.bike-parts-gasgas.com/ga...HAFT/1/105/0/1 |
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Thank you, the motor that i just traded some things for today is a 97 mc, so no included shaft. Hoping someone out there has them in stock
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#5
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You can't add a counter balancer in 2005+ engine ,because the crankcase is smaller .
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#6
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You mentioned it is a 97MC? Is it a 4 speed, or 6 speed?
My 98 250cc started life as an MC, but, was changed to an Enduro EC250 6 speed a couple years into it's early life. It ran for years with out a counter balancer. Around 2004 or 5 I had Jim Cook of Smackover Motorsports install the shaft and balancer. Then in around 2009 or so I converted it into a SuperMoto. A strange journey in the history of an old GasGas. I have a .pdf file of the 98-99 motor exploded views with part numbers if you would like it. Cheers |
#7
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Thanks for the replies. Crap, i hope its not a 4 speed. I just assumed that it was a mc since it had no balance shaft. Ill check it out tomorrow when i head out to the garage after work. Anyone have recomendations on where i can order a balance shaft. (I dont speak spanish or french lol)
Here it is at the moment. Looks like it had a oversized 250r piston but ill be butting a new jug on it since there is some issues with the current one |
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