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A follow-up question to my oil change parts thread. I've learnt while doing my oil change that I've inherited a problem with 1 of the 2 bolts, the interior thread (in the bore) is stripped...therefore the bolt threads in okay and just spins, without holding any. I'm attaching a pic for...

Good morning from Germany. If you are interested : I have Big Bore Sets available right now. Comp ratio 12:1. Liner,piston,head gasket. Usable plug and play for all 650cc models 2001-2008...

do they make a fe390 big bore kit? where?

Hi Guys, Well i discovered that the strange things my clutch was doing is because the master cylinder bore has some of the anodising flaking off. This is allowing fluid to leak past the piston as well as wearing out the piston seal. Short of replacing the whole clutch master has anyone had a...

Heya Bergers. The short version: I have no way to measure my liner in order to spec a replacement piston. The long version: Some bearing noise and steel shavings on my drain plug inspired me to finally tear down my 2008 FE550 after 210 hours. I found my main bearings were toast (as...

I've hinted at this project in the past and now it's becoming a reality. What insanity am I up to now? The engine in question is another 1996 Vintage FC600. See my old thread for the other 600 I've done (http://husaberg.org/mechanical/16703-husaberg-ktm-hybrid-engine.html) This one...

jbsracinguk | eBay have fun!

When I got my bike (fe400e) it came with another full exhaust system. The headers are slightly wider but still fit. Will they be better for my engine or should I stick with the narrower pipes? Cheers.

I have problem. Today I measured the diameter of hole in engine. This in which sits the liner. Just as making measurements of the cylinder or liner. I found that the hole is not perfectly a round. It's little oval. Diameter at the point where cases are connect is about 0,2-0,3mm smaller than on...

Hi Wondering if anyone may have any ideas on tracking down any of those " BIG BORE " pistons kits for 2004/2005 FS/FE650 Engine, and liners ,that JBS racing use to have available . ( or other possible supplier such as Arias or Mahle or JE ? ).........and aftermarket rods such as Carrillo ? (...

I have screwed up my engine (not sure what the problem is yet) i was wondering how big you can bore out the cylinder before it becomes more of a hassle than a benefit?

What clearances are people running. Looking at a new piston but is only .5544mm or .02187" clearance what your thoughts too tight?

Got it on the dyno and nearly finished - runs pretty good.

interesting what can be done http://ktmtalk.com/index.php?s=20357669 ... pic=364750 I like this question PN is 820.30.000.144 :D very nice crank weight though.

Could someone please advise me the Bore and Stroke of a standard FE 350 motor - Thank you.

Too many herbs for me just wearing me out. is there anything out there that can covert it too say a 400 for egsample?

ha! ha! you all viewed in thinking i was talking about the way this site is going. nope! while i'm here i'll try and save it from the loonies! nope, i'm on about a piston that would knock out the 450/470/550/628/644 by another 40cc approximately? 102mm bore. just a special...

Any downsides to the 100x 57 mm bore on the fe450e, power wise?

I have a 2005 FE 650 that I use to compete professionally in hillclimbs. I run nitrous oxide, and have the crank welded. I am looking to increase poweer and was looking at the 750 kit. I saw one about two years ago and the bike blew up the first run (Piston out the side of the case) I heard the...