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Old November 11th, 2014, 07:12 AM   #106
garth285
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Name: Shawn
Location: Florida
Join Date: Jul 2013

Motorcycle(s): Turbo Ninja 250

Posts: 863
Just wanted to add some cam info:

Last night I measured the cams out of my 09 motor with 14,000 miles on it I believe it was.

Intake Lobe Base = 26.0mm
Intake Lobe Peak = 33.9mm
Intake Lift = 7.9mm (.311")

Exhaust Lobe Base = 26.2mm
Exhaust Lobe Peak = 32.94mm
Exhaust Lift = 6.74mm (.265")

I have seen similar measurements online and I wanted to verify. Im gunna bolt up the degree wheel and see what degree the stock cams are set in at. As soon as I get the turbo all dialed in I want to experiment with dual intake cams.

If the cam specs are what cuong-nutz are correct which is below, the cams will be set at 100/105

Quote:
250/300 intake
open: 36* BTDC
close: 56* ABDC
duration: 272*

250/300 exhaust
open: 61* BBDC
close: 31* ATDC
duration 272*
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