Nitromonkey.com

O.S. .12 CV-R

Out of the Box: The O.S. CV-R Definately gets a compliment on the pretty blue cooling head. Instructions were fairly straightforward considering they were partly in Japanese. Besides that, the breaking in of this motor could not have gone smoother.

On the Track: This engine was a powerhouse. Rated around 1 hp, it screamed down the sraightaway. Low-end was great, which got it over most of the jumps I have come up against the past 3 years. I actually had to loosen the slipper clutch it order to keep from spinning out. I tuned this engine 1 time in the past 2 years. Every time I take it out it runs 220 degrees consistently.

Longevity: I ran the O.S. CV-R for 3 years in my Triple-X NT and just now had to take it out for a pinch after its tenth gallon. The trick is to change airfilters after every heat!

-Nitromonkey.com

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