How Good Are The Stock Carbs?

[J.D. Blackwell]

I was wondering what mods can you do til you need bigger carbs? I like to do several things at once and didn't know if I would need bigger carbs.

 

Here are the mods I was thinking about:

 

.020 overbore w/ Vito's Superstock pistons

Milled head .030

(of course weld & true the crank)

advance timing +4*

K&N clamp-on filters

V Force reed cages & reeds

already have Pro Circuit pipes

 

I will soon be doing the bikes first rebuild and was thinking about these mods. Let me know if I will need bigger carbs or can bore the stockers and if I need bigger carbs, what would be the carb to get?

 

Thanks,

Justin

[jasonsb]

You can use stock carbs with 370 kits and/or with milding ported motors. Going to a bigger carb will make your bike run crappy unless you have race porting and good pipes. The stock carbs will perform well with your set-up....just have to rejet the carbs richer. I use stock carbs with my set-up below: dual K&N filters plus everything listed below. Spending money on boring the carbs or 28 mm carbs is not worth it. You can use that money for porting.

[Proquad101]

The size of the carbs depends on what kind of riding you are doing. I race 1/2 mile ovals so I like bigger carbs. The bigger the carbs the more bottom end you lose, if you just trail ride or race small tracks I would keep the smaller carbs for more bottom end. The 28mm pk's are a real good all around carb, its not so big you will loose your bottom end.

[J.D. Blackwell]

Thanks for the advice guys.

 

 

Justin

[Just for fun]

your stock carbs actually out flow the stock banshee engine. They are very good at what they do. Like previously mentioned you really should only consider going to a larger pair of carbs when you have some port work done and you have a good pair of pipes.