Search Results for ‘rebuild’

Hello. New to forum! Picked up this 750 unknown condition. She runs but smokes white when warmed up (usually pistons rings iirc) and backfires on acceleration. Also noticed a slight knock that sounds like the front cylinder. So now it's time to rebuild her. Got the motor out on my bench and...

hey yall ! so after a few small rides and one big ride on the rebuilt engine - i noticed there is gas in the oil and it stalls when idling more often than not. now i know the rings and everything in it are new and the cylinders have been re-honed .. the whole works. i know the bike was running...

Hello everyone, new member here, first post! I tore into my 2005 brute today for a top end rebuild. I bought it with around 2k miles (I don't remember exactly) and now it has around 2600. To start with symptoms: It has always ran OK but felt like it didn't have all the power that a brute...

So i decided to swap frames on my mojave and started pulling the radiator and got the hoses off and its full of oil i was planning on re-gasketing the top end of the motor anyway because the head gasket looks to be leaking oil pretty bad well i got the motor pulled and checked the oil for...

Hey guys i guess it's time for a top end rebuild ,at least, on the ole V force. Reason being it is burning through oil. I wanted to know how hard it would be to do this myself? I want to keep everything as stock as possible. Thanks in advance!

I'm putting my 2002 Mojave 250 back together (after a top end rebuild) and I noticed the oil return tubes coming down from the top of the cylinder head to the crankcase do not all have rubber gaskets inside them. There are two tubes that connect together at the top of the crankcase behind the...

Hello everybody, Some friends and I recently bought an old '91 mojave 250 knowing that the engine in it was shot. We have thought about rebuilding the engine, but after looking into it it's almost cheaper to get a new one. We are looking for an engine that is in good shape that we could purchase...

alright so I admitted to myself earlier I may not have enough sense to rebuild my engine on my own... its tough to say but I just did... I can do all sorts of stuff mechanically from rebuilding 2 strokes from a short block up to short block jeep motors all the way up but this little 100lb v twin...

anybody out there ever swap 650BF/700KVF (sra) engine parts if so just curious what will work and what will not, have a 650 with a good crank and a 700 with a good top end just curious if anyone ever tried anything like this

So im embarking on a journey with my first brute force motor. over the past year ive rebuilt from top to bottom a hand full of two strokes and a hand full of four strokes quads and bikes. my father in laws buddy found out that i was pretty handy with this stuff and asked if i could help him...

I am planning to do my 1st ever top-end. I have a 87 and 89, 250 Mojave. I have been seeing a lot of pistons on e bay, which one is better? Wiesco, High Performace, Namura, Athena??? Also, what should I look for when I remove the original piston? Should I bore it out or not? Also, is this hard...

hey i'm new to the site... i own a 2003 KFX400. so i was riding today, and my chain came off and was stuck around the front sprocket, well whenever i got the chain free i noticed that motor oil was leaking (not pouring, but not dripping) and i had started it and it sounds like a ticking...