thingy on the bottom of the carb

**Harrison01** · 13-12-2009, 13:27

can anyone tell me what the arm at the bottom of the carb does?

its on the opposite end of the throttle cam underneath the fuel supply pipe

**raj** · 13-12-2009, 14:23

Originally Posted by Harrison01

can anyone tell me what the arm at the bottom of the carb does?

its on the opposite end of the throttle cam underneath the fuel supply pipe

are you talking about the pump jet?

**Harrison01** · 13-12-2009, 15:52

im assuming so, yeah.

whats its purpose? and is there any gains to be had from adjusting it.

**car.crash** · 13-12-2009, 16:25

accelerator pump jet, when you open the throttle it pumps a quick squirt of fuel in for throttle response.

**Harrison01** · 13-12-2009, 16:28

Originally Posted by car.crash

accelerator pump jet, when you open the throttle it pumps a quick squirt of fuel in for throttle response.

ah ha ok then ill leave it alone then

Re: thingy on the bottom of the carb