Hi there, recently bought a fzs 600 fazer 1998. I'm having a problem with 3rd to 6th gear between 6 and 7000 rpm. When I'm in 3rd gear I can slowly excelerate through 6 and 7000 rpm but the bike splutters. The higher the gear the worse it seems to be. 6th gear struggles to get past 7000 rpm at all.

Work carried out on bike recently, as follows:

New downpipes, oil filter, oil, spark plugs, spark plug caps, fuel filter, fuel cleaner,air filter, new carb inlet rubbers, chain and spockets, carb's stripped / cleaned and reset.

Any help would be greatly appreciated, starting to pull my hair out.

Many Thanks

Welcome Adamski " sounds like main jets, [ wide open throttle,] if you can feather the throttle thruogh to 7000, , but won"t take full throttle....or float level,,

[ short of fuel]

by the way ,, post this in workshop, as most members never look in here, so you quest, will go un-noticed,,,

Thanks for your advice blackhat250, it's my first time every using a forum. How do you post this in the workshop?

I'll get the jets reset, do you think the new aftermarket downpipes may have caused this problem?

I've posted my query on the workshop this afternoon.

Thanks.