Text only | Text with Images

GStwin.com GS500 Message Forum

Main Area => General GS500 Discussion => Topic started by: suzukimad on February 22, 2005, 11:17:37 AM

Title: back fires & pops
Post by: suzukimad on February 22, 2005, 11:17:37 AM
:dunno: ok did the rejetting...Uk bike...

125 mains,pilots 40`s.. 1 down on needle  3 turns out on air mix.

tested yeserday,seemed ok....(poped a bit )

Today it pops and back fires a bit,now and then...


Bike set up      ,K&n  air filter,in box  (with restrictor)....a/ignition ..15 tooth f/spocket..motad  full exhaust system,not race,but replacement..

The bike puts over 4000 revs 0k....


            :dunno: whts what.............any help...  :cheers: Tony
Title: back fires & pops
Post by: Dom on February 22, 2005, 11:41:12 AM
Your running a little lean.  Might try turning OUT the air mix screw a bit.  Turn them each a 1/4 turn until the problem goes away.
Title: back fires & pops
Post by: suzukimad on February 22, 2005, 02:00:30 PM
:thumb: Cheers i try that.Do i need the take out the restrictor,in the K&N air filter also,?.


                              :cheers: Tony
Title: back fires & pops
Post by: mjm on February 22, 2005, 07:03:36 PM
Quote from: suzukimad:thumb: Cheers i try that.Do i need the take out the restrictor,in the K&N air filter also,?.
:cheers: Tony

If you take out the restrictor you may need to go up one size on the main jet - if you do not it will likely pop and backfire.
Title: back fires & pops
Post by: suzukimad on February 23, 2005, 12:30:55 PM
:thumb: Thanks for the reply.
Text only | Text with Images