Air is 78% nitrogen to begin with.

PR2 built these engines for Team Blackfoot and Jean Sebastian Roy. However, the PC engine is probably the best value in terms of performance gain per dollar spent.

H4L is correct. These are 07 bikes.

Didn't MXA tell everyone to wait for the 22 ?

https://rb-designs.com/rb_designs_llc_017.htm Follow these instructions and send your test solders in with your head.

Same story here. Pro X offers 66.34, 66.35, 66.36 and 66.37mm pistons for the 02 CR250. Pro X part number 01.1323.A is their 66.34 piston and should work for you, but these have coated skirts. The newer 05-07 pistons from Pro X are not coated but they ... more »

You're right- Honda piston sizing is a little different than the others. A is bigger, B is smaller. The Honda shop manual lists the allowable limits. Pro X offers 53.94, 53.95, 53.96 and 53.97mm for the 93 CR125. Is their 53.94mm piston still too big? ... more »

Looks really nice, brother. Look forward to seeing the assembled bike.

Epoxy Coat here too about 11 years ago. Durability has been very good. Numerous items dropped on the floor with good chip resistance. Yellowing has been an issue.

A Piston OD: 66.340 - 66.348 mm (2.6118 - 2.6121 in) B Piston OD: 66.333 - 66.340 mm (2.6115 - 2.6118 in) The A pistons are larger than the B pistons per Honda's sizing system.

Love it. Even better - "How often have you refunded them when they’ve OVERPAID- with back INTEREST and PENALTIES from the over payment also applied and refunded?”

VT- another good option

Sounds like you drive 2 hrs to NH. No state income tax. No sales tax. Just like NY, right? Well, not exactly.

"Come on, man....."

Where's the AMA?

Watts does very nice work and has factory team experience, but one member here had to resort to calling the police in order to get his parts returned from Watts after a lengthy delay. Similar to a Varner type horror story. Plus, Watts was expensive. ... more »

Pro Circuit modifies both the stock cylinder and the stock head as part of their porting package. As you mentioned, they offer a choice of race fuel, or pump gas setup. No other options are available. You would most likely need to purchase a Honda head ... more »

Which CRF 22mm clamp and what about the steering stem?