Brian22, I'm running a 160 main and a I think 42 low on it
I'm going home for lunch today and I will get the spec's for the carb and the cam.
I'm running a 2 stage Hotcam, CRF39 carb, and a slip-on pipe! I will post about 1pm pacific time.
Stage 2 Hotcam
Lobe Center: 109.75
Duration @ 1mm: 248
Valve Lash: .15mm
Lobe Center: 105.5
Duration @ 1mm: 268.5
Valve Lash: .28mm
FCR39mm Keihin Carb with Hotstart and TPS
Main Jet - 160
Slow Jet - 45
Needle - OCEMR#3
Mixture Screw - 1
Main air jet - 200
Slow air jet - 100
I also ran a Pro Circiut pipe Titanium slip-on With no air box lid and a UNI filter!!
There it is, enjoy and I hope your bike runs as well as mine!!!!! good luck!!!!
On the Hotcam box it said CRF450 02-04, so I think it has the same spec's as the CFR cam!
'And yes the 2 stage cam gives you that seat of the pants feel!!! with no doubt!!!
Like I said 3rd gear is unreal!!!!!!!!!!!!