Marque Remarks > KTM
Pistons?
Paul Harris:
I've decided to do a top end rebuild in my '82 250MC. It's standard bore so 1st OS...what's the best choice for piston? Are those aftermarket reeds worth it?
Thanks, Paul
ozktm:
You will be able to use a '73-81 type piston, just needs modifying to have the reed holes etc to match the original.
I think Boyeson dual stage reeds are available, a new set of reeds can't hurt especially if you don't know how old they are, else go for the v-force upgrade, other posts are probably on this forum about them as the yamaha and honda guys are using them.
Try Andre's site for the piston : http://www.enduroklassiker.at/
if Andre doesn't have what you need, contact Al Beuhner : http://www.pentonpartsusa.com/2A%20KTM%20engine.htm
else contact me, and ill sort a piston kit out for you so its ready to go.
Paul Harris:
Thanks for the advice Adrian.
Tim37:
I too have an Air cooled 82 cylinder that I wish to fit to my 81 250 gs ......pistons are not readily available for the 82 reed setup ....I think modifying the piston port style piston i the only option ? anyone else know where the Rv piston with two round holes can be found .....
oz555ktm:
ANDRE HORVATH'S KTM KLASSIKER , He is Number 1 for KTM stuff ....
http://www.enduroklassiker.at/
Hear is ya Piston ...
http://www.enduroklassiker.at/en/engine-parts/2237-kolben-250.html
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