Turboing a 250........

[imdying]

No I mean that the injector can flow enough (at stock fuel pressure, whatever that is on the CBR125) fuel to support the 15-18 odd hp that the single cylinder CBR125 has. So you'll need 4 of those, which means you'll be flowing enough fuel for 60-74 odd horsepower. With higher fuel pressure, hopefully they'll support closer to the 80-90hp that you ideally want to achieve (or more?!).

[Sparky Bills]

Is anyone else wondering.... WHY!?

[Coyote]

Everyone forced to have a 250 is going to want to turbo it. I know I have. I suggest with the money you should get a race bike. You can get something faster and get to use all that power.

Also, a candle that burns twice as bright burns half as long. You may get 100hp out of a 250, but it may only last an hour or 2 before you need to spend several more grand on it to get it going again.

[scracha]

Is anyone else wondering.... WHY!?

Exactly. Lot less hassle just bunging a 400 motor in there and keeping it registered as a 250. Frankly, bunging in a goose/DR350 motor would be more entertaining.

[McJim]

Fuckit - just get a NSR250, RGV250 or RS250.

Job done.

either that or fit nitrous to the fucker and be done.

[McDuck]

Fuckit - just get a NSR250, RGV250 or RS250.

Job done.

But the thing is it is a stock NSR250 or RGV250, not a katana that breaths fire.
Dont worry, know most people will not get it.

[McDuck]

No I mean that the injector can flow enough (at stock fuel pressure, whatever that is on the CBR125) fuel to support the 15-18 odd hp that the single cylinder CBR125 has. So you'll need 4 of those, which means you'll be flowing enough fuel for 60-74 odd horsepower. With higher fuel pressure, hopefully they'll support closer to the 80-90hp that you ideally want to achieve (or more?!).

Oh and for the time being i would be very happy with 70. Dont want to kill myself after all.

[delusionz]

turboing a carburetted engine has too considerations to make it worthwhile without getting into technical details you most likely will not be able get it fueling the correct mixture thru all revs only some if any.

you'd need a fuel injection system which most 250cc bikes simply do not have, you'd have to adapt something or make something and then you'll be able to get things started.

[bimotabob]

Will be issues with alternator output being too low for all the extra's.
My FZR1000 only just cuts it with a 28 amp alternator and I'm sure the CBR will be much lower.
Mine doesn't charge at idle with H/lamps on as it is.
Also lot of EFI won't handle the RPM that your bike would do either - maybe LINK?.

But just think - it would possibly be the one and only inline 4 250 turboed in NZ!

Regards