What actual model is it? - GT250?

[Micron]

Hi all, I'm having fun and games trying to get this rebuilt GT250 to start, for which I have started another post for, but I would like to try and workout what actual model of GT250 it is?

It was registered in the U.K. Back in 1975, and is a N Reg, I'm hoping that the pictures below will help to identify the model?

Thanks

Trev

[Craig380]

This site can help: http://www.suzukicycles.org/index.html? ... l~isoraami" onclick="window.open(this.href);return false;

However, from your pics it looks like the bodywork, tank & sidepanels are from a GT250L or M, and the engine is from a later A model. There's no Ramair cowling. If the motor IS from an A, that's good as it was a stronger and more powerful engine (extra transfer ports in the cylinder and two centre main bearings).

[Micron]

Thanks for the link, looks like it might be a bitsa!

[Vintageman]

It looks to be a 1974 L, forks, turns signal, front fender... with engine swap to the next gen A/B/C

Yes a 76 or 77 (in UK 78) Gt250 motor. The biggest diff in how that motor feels vs 74L is the fact they raised the exhaust port from ~32mm to 29.5mm (just like RD350). No bottom end below 4K, but a freaking rocket once revved up. Could never drive mine slow, it would not let you: with rd chambers added

It of course responds well to chambers designed for rd. Suz also made one of the gears a little closer (in ratio to neighbor so would not drop out of power band (that works well even in the T350/Early GT250 too).


The only thing a little better IMO is a T350/T305 top end on the original L engine

But that 250 as bitted up is existing to drive