CRF150R Supermoto

[jkv357]

Piston came yesterday -



Hopefully have it together this weekend.

[jkv357]

Got the engine assembled and back in the frame this weekend. Fired right up and my son took it for a quick spin around the neighborhood.

Feels like the steering head bearings are damaged, so that's the next project.

My son is also working on 3D printing a tuned velocity stack to replace the crazy airbox. Most likely there will be some jetting changes required to get it running properly.

So far so good...

[jkv357]

My son had the CRF150R out on the USAir track in Shawano, WI, yesterday, and he said it was stronger than ever with the high compression piston and rebuild. More low-end pull and lifted the front where it didn't before. New Bridgestone slicks as well, but the track was pretty green and a bit slippery in spots. Lap times were 2 seconds quicker than last time out in the fall and under the times for the last race winner.

That's the good news.

The bad news is he chopped a corner too tight, caught the peg on the curb, lifted the rear and low-sided. No big deal except his leg got caught and twisted significantly, which led to a trip to the local ER. Now back at our house waiting to get an appointment with the Ortho Doc. Pretty sore all over. That leg already has a plate in it, and he may need more work.

But the bike isn't too bad....

[jkv357]

His 150R Supermoto(front) and 450R Supermoto/Icebike before the incident -