'91 CBR weird problem, Please help
#1
'91 CBR weird problem, Please help
So i just got my 91 600f2, and it's been great so far. But the more i ride it, the more little quirks i've started to notice. So far the biggest complaint is a little bit hard to describe but i'll go ahead and try.
Under low throttle between 3500-4100 RPM (ish) it feels like a slight misfire, like i keep slowing and speeding up just ever so slightly, almost like i can't keep my hand still, and i notice it more when the bike has been running for a while. I'm going to try to replace the plugs and wires and air filter, even try some seafoam first. Maybe I just need to be cruising a little higher than 4k rpms, but its such a slight hesitation i don't know if it's normal or not.
Also, need to replace the front fork seals and wonder how much that should run me so i don't get ripped off.... and would like to know where to start with mods. I'm thinking jets and sprockets, and wondering if the ride height is adjustable.
sorry to dump so many questions in my first post. anything is appreciated.
Under low throttle between 3500-4100 RPM (ish) it feels like a slight misfire, like i keep slowing and speeding up just ever so slightly, almost like i can't keep my hand still, and i notice it more when the bike has been running for a while. I'm going to try to replace the plugs and wires and air filter, even try some seafoam first. Maybe I just need to be cruising a little higher than 4k rpms, but its such a slight hesitation i don't know if it's normal or not.
Also, need to replace the front fork seals and wonder how much that should run me so i don't get ripped off.... and would like to know where to start with mods. I'm thinking jets and sprockets, and wondering if the ride height is adjustable.
sorry to dump so many questions in my first post. anything is appreciated.
#2
If you have tools and a front stand do your fork seals yourself, it's very simple, follow the manual.
The hesitation may be from dirty carbs, un-sync'd carbs, or improper mixture screw settings. But replacing the plugs and filter is a good idea anyway.
Sprockets are a good way to "liven" your bike up, -1/+2 is a good start.
Jetting should be looked at if you have an aftermarket exhaust setup.
Good luck, enjoy your F2
The hesitation may be from dirty carbs, un-sync'd carbs, or improper mixture screw settings. But replacing the plugs and filter is a good idea anyway.
Sprockets are a good way to "liven" your bike up, -1/+2 is a good start.
Jetting should be looked at if you have an aftermarket exhaust setup.
Good luck, enjoy your F2
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