YamCafe Posted February 2, 2017 Posted February 2, 2017 Hi,I have a Yamaha SR 125 that I am going to turn into a Cafe racer. The engine is the main issue as I had a brand new engine rebuild that was then heat seized by a friend but that's another story. I can't rebore the barrel anymore due to it being done to its limit before. I would like to know if there are any either 2 stroke or 4 that should fit on the same mounts without the need to alter the frame. Or would it be worth to go for a 250cc and upgrade the breaks and suspension?? Quote
TimR Posted February 2, 2017 Posted February 2, 2017 Hi,I have a Yamaha SR 125 that I am going to turn into a Cafe racer. The engine is the main issue as I had a brand new engine rebuild that was then heat seized by a friend but that's another story. I can't rebore the barrel anymore due to it being done to its limit before. I would like to know if there are any either 2 stroke or 4 that should fit on the same mounts without the need to alter the frame. Or would it be worth to go for a 250cc and upgrade the breaks and suspension??Why not then look for a sr250 ..... Quote
YamCafe Posted February 2, 2017 Author Posted February 2, 2017 Hi,I have a Yamaha SR 125 that I am going to turn into a Cafe racer. The engine is the main issue as I had a brand new engine rebuild that was then heat seized by a friend but that's another story. I can't rebore the barrel anymore due to it being done to its limit before. I would like to know if there are any either 2 stroke or 4 that should fit on the same mounts without the need to alter the frame. Or would it be worth to go for a 250cc and upgrade the breaks and suspension??Why not then look for a sr250 ..... Can't find any full working engines. Quote
YamCafe Posted February 2, 2017 Author Posted February 2, 2017 Would a YBR125 engine fit?That's what I thought but don't want to change the frame. Quote
Chrissb6 Posted February 2, 2017 Posted February 2, 2017 get a liner put in the engine Get a liner fitted, not many engines at all these days that will take a reboreTry these people massive reputation for relining, porting and tuning of2stroke engines, a straight 4 stroke single should be no problemFahron Engineering, Hucknall, Nottingham. +44(0)115 963 4123 Quote
YamCafe Posted February 3, 2017 Author Posted February 3, 2017 get a liner put in the engine Get a liner fitted, not many engines at all these days that will take a reboreTry these people massive reputation for relining, porting and tuning of2stroke engines, a straight 4 stroke single should be no problemFahron Engineering, Hucknall, Nottingham. +44(0)115 963 4123Never thought of that thank you Quote
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