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Salem Added a reply to Cr250 Running Rich

10/20/2025 8:26pm

Just to make sure we are talking about the same seal. the seal behind the front sprocket, correct? I guess if I have a leak between the cases I would have to spilt the cases and replace the gasket? I've been thinking about eventually doing a full rebuild with a OEM piston and an OEM crank. I think I'll rebuild...

Salem Added a reply to Cr250 Running Rich

10/20/2025 6:42pm

I actually found out you can use the servo internals from a CBR600RR exhaust servo. All CBR600RR gears, cable pulley shaft, motor and potentiometer and cable swapped over from my understanding.

Salem Added a reply to Cr250 Running Rich

10/20/2025 6:34pm

I have notice a leak from my countershaft seal could that cause my bike to run rich? I bought this bike about a month ago and I'm pretty sure the bike was sitting for 2 years before I bought it.

Salem Added a reply to Cr250 Running Rich

10/20/2025 6:28pm

My bike is running a lot better since replacing that bolt and adjusting the cables. It's definitely still running rich because I'm having spooge coming from the spark plug hole. exhaust, and exhaust flange. The bike doesn't feel like it has a bog to me, buy maybe I just don't know what I'm looking for. I've had a Yz250 before...

Salem Added a reply to Cr250 Running Rich

10/20/2025 10:49am

That’s the way I adjusted the cables, the way this bike rides I think they got a bad rep from the cables not being adjusted correctly at dealerships.

Salem Added a reply to Cr250 Running Rich

10/16/2025 2:38pm

That fixed the lack of top end I was feeling, but ohh my gosh it really unlocked the bike.

Salem Added a reply to Cr250 Running Rich

10/15/2025 7:30pm

I'm excited to see how the bike rides now that I fixed it. It bolt isn't even an uncommon bolt they could have use a bolt from the shroud on the tank instead of what they used. This was definitely why I felt like it was flat on top, correct?

Salem Added a reply to Cr250 Running Rich

10/15/2025 6:16pm

I think I found my problem

Salem Added a reply to Cr250 Running Rich

10/15/2025 5:31pm

Been meaning to get around to that just haven't had time to pull the tank. The previous owner told me that he never adjusted the rc valve cables.

Salem Added a reply to Cr250 Running Rich

10/14/2025 11:57pm

I'm thinking about putting a new spark plug and air filter on it then switching to some fresh gas mixed 32:1 instead of 40:1. I'm thinking the 40:1 is making the bike run too rich fuel wise since the bike was jetted for 32:1. The bike starts 1st or 2nd kick but once goes "flat" on the top end almost...

Salem Added a reply to Cr250 Running Rich

10/14/2025 11:41pm

The guy I bought the bike from ran Maxima K2 at 40:1, but the engine was sent off to Pro Circuit where they jetted the bike for 32:1. How would I know if the crank seal is leaking? Mikuni Main Jet: 410 Pilot Jet: 37.5 Clip Position: 2 Air Screw: 1 1/2 turns out Slide: 4.0