It's much easier to work on with the oil injection removed, but unless you are pulling barrels off every 100 miles, I don't see the point.

The worst thing on a predominantly "street" bike is when you run pre-mix and hit reserve when you are flat out, run down a long hill on a closed throttle, or even under longer periods of closed throttle under braking, you are shutting off lubrication to the crank.

As Matt says, if you are accurate at measuring the fuel:oil ratio, then the mixture is more under your control which can be a great benefit when fine tuning a racer. Correct fuel:oil ratio can significantly effect hp and peak rpm. We had an RGV at one dyno day that picked up 1hp just by properly adjusting his oil pump!

The NSR oil system is pretty tidy though, and very convenient with the aux reservoir tank easily accessible. I'll be keeping mine in place on the 21 (I'm chasing 70hp with stock pistons and oil injection), but pre-mixing the 16 and 18 F3's.
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Andy.
NSR-WORLD.COM

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