Need advice on a shifter kart engine choice.

[Datsun]

Hey guys, I need some help choosing an engine for my shifter kart build.

Some of the options:

Cbr/gsxr 600 inline 4 ~ 100ish hp.

crf 450x single ~ 45ish hp

ninja 650/cbr 500 parallel twin. 45-70 hp


Must have electric start and lighting support.
I don't particularly want to rear mount the engine/stretch chassis, due to the fact of ruining geometry. So I'm steering away from the 600 inline 4's.


I already have a 2006 crg 32mm kart, working on a front brake setup atm the moment. So please don't disregard this post as a horsepower silly one hit wonder.

Also no two strokes. Let me know your opinions, thanks guys.

 

[OzFab]

Welcome to the forum.

A 250cc single is plenty of power, IMO, any more than that is wasted...

 

[rocketkart]

crf 450x single it what i would go with. i had a kx250x one time on a offroad kart. way to fast for me about 70mph.

 

[OzFab]

Correct me if I'm wrong but, ins't a KX250 a 2 stroke?

no two strokes.

 

[rocketkart]

A KX250X. not kx250.the 250X is a Competition engine but is pretty much the same thing as a kx250f engine for just trail riding. do you see the valve cover. lol

 

[Datsun]

Thanks for the input guys. I'm having a bit of trouble sourcing one. Does anyone know any good bike wreckers in AUS, It seems it's going to be about 2k in purchase and import a crf450x complete engine from USA. Does anyone know much about the wr450 engines or kawasaki and suzuki or ktms variants of these trail bike engines?

Cheers.

 

[fowler]

Where in Aus are u

Over in the eastern states there's **** loads of cheap stuff
But I don't know where to find it

In west aus
U have a Chioce if two wreakers in perth
I would avoid using either

Hit up gumtree or other local sales

 

[Datsun]

Act/Nsw, I've been checking gumtree and ebay alot. I suppose I'll keep looking.

 

[OzFab]

Act/Nsw

Keep going...

Although, since you mentioned ACT, I'm guessing that's where you are?

There are loads of bike wreckers in Sydney...

 

[Datsun]

Yes mainly act, do you know any good wreckers in sydney that would ship? My licence is currently suspended. I'll start a build log soon with lots of pic's Thanks for the info.

 

[OzFab]

Off the top of my head, no...

You'll probably find that the ones who will readily ship wil be a bit more expensive (NOT including the shipping...)