Hi all, i know there is another similar recent thread on jetting but i don't want to muddy the waters.
I have a CB250K3 and although it runs decent, i have 2 niggles i'd like to resolve:
1. Idle is ok, but not always stable. Can fluctuate in strength.
2. Can't help but think that it could have more power. As i say, runs ok but feel like it could have more.
I have done a lot in terms of setting up: all timing, bench synced carbs, new ignition components.
But i am running after market silencers (tulip type) with baffles. Even with the baffles, i feel the exhaust is probably less restrictive than the stock silencers and so i'm wondering whether rejetting may be required. If so, which way do i go (up or down) on jet sizes for a more free flowing exhaust.
Just another few pieces of info.
The one thing i haven't done is change the air filters (stock). I intend to do this imminently.
And despite the plugs being a healthy light brown, my bike never likes choke, even from cold. Initially making me think i have a rich mixture. Would this be logical that the idle is running rich but on a run, its running more lean hence the correct plug colour?
Any advice, greatly appreciated.
Thanks
I have a CB250K3 and although it runs decent, i have 2 niggles i'd like to resolve:
1. Idle is ok, but not always stable. Can fluctuate in strength.
2. Can't help but think that it could have more power. As i say, runs ok but feel like it could have more.
I have done a lot in terms of setting up: all timing, bench synced carbs, new ignition components.
But i am running after market silencers (tulip type) with baffles. Even with the baffles, i feel the exhaust is probably less restrictive than the stock silencers and so i'm wondering whether rejetting may be required. If so, which way do i go (up or down) on jet sizes for a more free flowing exhaust.
Just another few pieces of info.
The one thing i haven't done is change the air filters (stock). I intend to do this imminently.
And despite the plugs being a healthy light brown, my bike never likes choke, even from cold. Initially making me think i have a rich mixture. Would this be logical that the idle is running rich but on a run, its running more lean hence the correct plug colour?
Any advice, greatly appreciated.
Thanks