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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc.


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Old 03-23-2014, 09:40 AM
MNKeith MNKeith is offline
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Default A/B/C marking on cylinder (pic)

Easy question but I never found a clear answer, just want to be clear before I order another piston.

Is the circled spot below where the stamped cylinder size is located? It's marked "A" on mine so I assume so...but ya know...I don't like to assume.



I am planning on buying a Wossner kit this week, am all ears if anyone has other suggestions.


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Old 03-23-2014, 11:16 AM
Moto7man Moto7man is offline
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Yes, that is correct. There was another thread on this subject. That is the correct location and my bike has "A" cylinder like yours.
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Old 03-23-2014, 03:36 PM
MNKeith MNKeith is offline
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Thank you! I have been reading a lot of posts here, must have missed that one.
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Old 03-23-2014, 05:10 PM
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Thats it!
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Old 03-23-2014, 05:14 PM
Moto7man Moto7man is offline
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You are welcome, here is the thread,

http://www.gasgasrider.org/forum/sho...ght=cylinder+a
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2011 GG EC 300E, 1994 CR 250R, 1984 RM 250 E, 2022 Ranger 300

"If you stop eating donuts you will live 3 years longer. It's just 3 more years that you want a donut."
―Comedian Lewis Black

"I think best when I have a wrench in my hands." Soichiro Honda

"Dreams are messages from the deep."
-Unknown Sardaukar
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Old 03-23-2014, 10:28 PM
MNKeith MNKeith is offline
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Follow up... Is there a crossover for the upper conrod bearing (the caged roller bearing)? Will the CR250 work? Any particular year?
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Old 03-24-2014, 12:52 AM
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The little end bearing is 18x22x21.8

Same CR250 pre 2007, or even a current model YZ250 by the looks (http://www.serco.com.au/bearing-218mm-p-16885.html)
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