Engine Swap???

[ghettochild]

I have a 2003 yz 125 Dirtbike that recently blew up lol. My Buddy has a 2003 yz 125 engien with a few parts. I was wondering if i could just swap the engine or i was wondering what i would have to do to swap the 2 engines. Thx alot

 

[MX-727]

Same year, same bike, just swap them :thumb:

Your other post indicates the bikes are different years. You'll have to do some measurements and a test fit, but I think there were major changes from 2000 to 2003 which may mean the newer engine won't line up.