ive turbo'd my gsxr250rr now the clutch has gone.

[oldhoon01]

the have always had a problem finding info on my bike (gj73a) and i want to know if there is a difference in the clutches between this and earlier models (gj72a). i would like to have the bits ready so i can do a straight swap as i ride it every day.

[Sketchy_Racer]

pics!!!!!!!!!!!!!!!

[Big Dog]

Not exactly a surprise. When you up the ante you tend to find that the next weakest link goes.
You may need to talk to a someone who knows about a stronger clutch or better pads.

BNC? (Brake N Clutch)

[ArcherWC]

even stronger clutch springs would help (though it will make the clutch pull that much harder as well)

[dangerous]

Not exactly a surprise. When you up the ante you tend to find that the next weakest link goes.
You may need to talk to a someone who knows about a stronger clutch or better pads.

BNC? (Brake N Clutch)

yip sort the clutch and it will be something else, I expect you are boosting very little?
and yeah... pics plz

[Big Dog]

yip sort the clutch and it will be something else, I expect you are boosting very little?
and yeah... pics plz

I expect the next thing would be his 250 appropriate cogs and chain are no longer strong enough. What do you reckon?

[ArcherWC]

520 conversion LOL

[bugjuice]

muzzy clutch = more power!!

[dangerous]

I expect the next thing would be his 250 appropriate cogs and chain are no longer strong enough. What do you reckon?

Im not sure if the Suzuki 250/4's are gear driven cams like the other 250/4's but a prepeared turbo engine as you would know has a lower compresion (not that I would expect a 250/4 to have SFA anyway, stronger clutch, smaller valves and usually forged pistons etc... but hell love the fact this guy is doing it and not just talking bout it.
altho I see he owns a XJ turb, so hes on the case.

[Kickaha]

but a prepeared turbo engine as you would know has a lower compresion (not that I would expect a 250/4 to have SFA anyway,

Most of the 250/4 are 12-1 + so they're probably higher than your Italian tractor and probably a bit high to run any decent boost without problems

[unrealone]

Heh, so now it might just go faster than all the other 250s (bar a hyosung)

*couldn't resist*

[dangerous]

Most of the 250/4 are 12-1 + so they're probably higher than your Italian tractor and probably a bit high to run any decent boost without problems

hows that when thy rev out to 18,000rpm and my thing is only 8,000rpm... I always figgered it was compresion that slows the revs down?

[FzerozeroT]

and the clutch would probably be sacrificial, if you make it beefier you'll break something more expensive!, how many k's on the clutch before you turboed it?

[limbimtimwim]

Apparently the GSXR250RR (With the 4 carbs instead of the two dual throat ones like most GSXR250s) is one seriously fast little machine. Perhaps the fastest 250 4 ever..?

There is one at TSS here in Wellington at the moment, and it looks very cool.

Oh yeah.. PICS of your bike good sir would be awesome, I'd love to see what you have done.

[koba]

Suzuki GSXR250 is chain driven cam in the centre.
Arse to change the chain!

Dunno anthing about this one but "rapid" magazine had a small write up on a Yamaha zeal that had a tiny turbo of a 600cc Kei car on it.
Wastegate was welded closed and turbo let to run to full natural boost which was 18psi!
Boxed carbs with auxillary injectors and intercooled with fuel running back from the injector rails being routed around the carb box.
Had upgraded gernerator of an FZR600 to run the injectors, fuel pump and the clutch came from the FZR600 aswell.

The work was done by s&r pro in Australia.

33 hp at the rear upped to 105 or so?

12.7 standing quarter!

I guess it may be obvious I love the turbo 250 idea...


PICS!