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CvMotoKings Started a new thread Air cooled 2-Stroke

3/1/2016 8:55am
What could I do to add power to my 78 RM250? I know there's problems with overheating when you bore it out, so I wasn't gonna do that. Is the carburetor the only other thing I can upgrade or am I overlooking something besides maybe sprockets?
This forum thread has 12 replies.

CvMotoKings Added a reply to Air cooled 2-Stroke

3/1/2016 7:18am
Yea I don't like changing topic too much and that was for chassis options. This is for power. It's fine as it is, just wondering if I can squeeze anymore out. I really don't want a new bike, I love the vintage look, it's just gonna take me a while to have this one looking great.

CvMotoKings Started a new thread 1978 Suzuki RM250 upgrade

3/1/2016 4:34am
I wanna take my old air cooled rm250 engine and put it on a newer frame with better suspension, my only real question I know to ask right off is which frame should I use? This will be my first dirtbike build and I just really want to have the same amount of power that it does now, but with...
This forum thread has 23 replies.

CvMotoKings Added a reply to 1978 Suzuki RM250 upgrade

2/29/2016 8:05pm
I'm probly gonna just fix her up back to factory in that case. Put better suspension and brakes on it and ride. The bikes really fun as it is, but it's not a smooth enough ride for the trails that we ride.

CvMotoKings Added a reply to 1978 Suzuki RM250 upgrade

2/29/2016 7:11pm
Any idea if it'd be easier to put it in an 87 model chassis? I really don't want it to be a newer bike with a big air cooled 2 stroke engine, just want something new enough to have disc brakes and adjustable suspension. I can't find new suspension for the '78 at all.

CvMotoKings Added a reply to 1978 Suzuki RM250 upgrade

2/29/2016 6:43pm
That's the thing, we have an awesome cycle junkyard close to my town in AL, that should have something that will have better suspension and everything, but won't take too much work to get running. I basically want a junker that I can put my RM250 engine on. What other brand of bike would be compatible with Suzuki?

CvMotoKings Added a reply to 1978 Suzuki RM250 upgrade

2/29/2016 6:26pm
Ahh, well in that case the guys are gonna have to ride without me for a few days. Would anyone also know how I could stop it from "basket creeping"? I've read online that all Suzuki's do it from the factory, but it wasn't really clear on which clutch basket to replace the OEM with.

CvMotoKings Added a reply to 1978 Suzuki RM250 upgrade

2/29/2016 5:53pm
Any idea of a frame I could use without having to do any welding? Welding isn't a problem, I just can't have it tore down for longer than a day or so and a complete swap with a frame that matches up right would take me no time.

CvMotoKings Added a reply to 1978 Suzuki RM250 upgrade

2/29/2016 5:49pm
I really only ride on trails so I need a smoother ride, so im looking for a newer, lighter, adjustable suspension frame. I was thinking about just putting a new swing arm and suspension on the 78 frame, but I figured that would be more work than just swapping chassis's.

CvMotoKings Added a reply to 1978 Suzuki RM250 upgrade

2/29/2016 5:07pm
As modern as I can get. I know the newer style frame wouldn't work, but I need something with adjustable suspension. I'm needing to know which frames will work with the mounts and exhaust.