Anyone know if a qwiksilver carb would work on a mojave with a little rigging. I thought the 300ex would be a good choice but it only has a 32mm carb from the factory so it might be a little small. A 400ex has a 35.5 and I thought that this would be the better choice but then again it might be kinda rich for the mojave and would require a lot of needle changes(No main jets to change,just needles and a screw for needle adjustment) Lets hear some opinions..

 

How about some radical cams and a good port job, wouldn't this work better than carb change outs.
The larger carb would kill your lower end, but with your piston, a radical cam, and a good port job, you should get a graet deal more power up towards the top end not to mention a few more hundred rpms.
The 34mm cv carb would easily handle that and this set up would better adapt to a larger carb.
I would think without a cam and head work it would be a tuning nite mare, maybe even have to go to a hotter plug to get it closer.
But maybe more opinions would help here!!

 

I believe the 300ex carb. has an accelerator pump, which the Mojave does not. This alone may give you a nice increase in response that you are looking for. However, the choke set up sucks on the 300ex carb. Don't know if the throttle linkage would match up or not. What Gaff mentioned sounds good to. That will def. give you alot more power.

 

I just figured that since a 400ex carb is only 1.5mm bigger that it wouldn't the low-end too much. Some people run 38mm keihns on the mo. The edelbrock on a stock 400ex gave it a 2.?? hp gain on the dyno and the acceleration was better. Putting cams and a port job would probaly kill the low-end a lot more. It would kill the wallet more too. 250 or so for the port job plus 50 or so for valve springs and 85 for the black box mod and 150 to 250 for cams depending if you go with web cams or white bros. I just thought if it would be fun to try and if it worked so much the better. Thanks for the input.

 

I was thinking more of mid range cams, and a more of a polishing than a port, but a little porting to line your ports up better and get the swirl out.
I'm not biting on the tuning to horse power on atv's yet, more toon to tourque.
But bikes like yours, with big bore short stroke take to cams and porting pretty well.
The valocity of air fuel mixture with the larger carbs just make it hard to tune, but it can be done.
Some times I take my long term plans for my own quad and mix them up with some of yours, or others on here.
But as far as porting, do your own, were not talking flow bench porting, just getting the imperfections out.
If I had a mo I believe I would go with the piston you have, head work and the black box, slap in some heavier clutch springs and rip.
But I've been known to be kinda nuts!!!!!!!