Nerobro
Forum Mentor
As it stands, the engine is now in my 1980 GS550E, and will crank over. And makes spark. Attaching the carbs is anotehr story. The carbs I'm tyring to put on are the carbs that came WITH THE ENGINE, but appear to be almost 1/2" to narrow. We're chalking that up to time hardening the carb boots. And the boots appear not to match up well with the ports in the head. We're going to put my 550 boots on it and see if that corrects the problem. My 550 boots are also much softer and more supple.
We found out that the boots that came on that head. are NOT gs650 or 550 boots. We aren't sure WHAT they they really are. They're damned simmilar though.
If you can identify these, we'd like to sell them. They're in good shape if a little stiff. No cracks at all.
so.. yeah. You CAN fit a 673cc top end onto a 550 bottom end.
549cc piston versus 673cc piston
Aw.. .look It's all dressed up.
working furiously last night before we discoverd the carb boot issue.
We found out that the boots that came on that head. are NOT gs650 or 550 boots. We aren't sure WHAT they they really are. They're damned simmilar though.
If you can identify these, we'd like to sell them. They're in good shape if a little stiff. No cracks at all.
so.. yeah. You CAN fit a 673cc top end onto a 550 bottom end.
549cc piston versus 673cc piston
Aw.. .look It's all dressed up.
working furiously last night before we discoverd the carb boot issue.