ADD up to 120 HP TO YOUR PROR

2150CC BIG BORE
AIR EXTREME PORTED HEAD
CUSTOM .430 Lift RACE CAMS
+4 OVER SIZED EXHAUST VALVES AND +1 OVER SIZED INTAKE VAVLES
CLUTCH KIT WITH SNYPR WEIGHTS AND SPRINGS
OUR PERFORMANCE CLUTCH SPRINGS HOLD BETTER BELT TENSION THEN OEM
ALL NEW STAINLESS STEEL SLIP ON EXHAUST
CYCLONE CLUTCH COVER (COOLS BELT UP TO 30 DEGREES)
MORE RESPONSIVE FEEL WITH NO POWER LAG
GAINS TOP SPEEDS AND LOW END POWER
TORQUE MONSTER
MUST SEND IN ECU FOR TUNING

Comes With:

-Stage 2 Clutch Kit

-Cyclone clutch cover

-Slip on exhaust

-Ecu Tune

– +4 Ported Head

– .430 lift cam

-2100cc Big bore Cylinder

– New Pistons

-Brian Crower Stroker Crank 2300cc

Pro R HP ratings-

Stock 230-235hp@8400rpm

Stage 8, Level 8 ECU tune, Air Extreme Big Valve Head (1mm intake 4mm exhaust CNCP head)/BMP.460 lift cams, BMP muffler – 350hp8975rpm / 225TQ@7050rpm

Steps for starting your Pro R stage 3 and above for the first time.

*** These steps are different than the service manual. Do not follow service manual steps ***

1. Roll the engine over by hand at least 10 revolutions clockwise when looking at it from the rear.

2. Check Cam timing to make sure it is correct

3. Make sure coolant and oil is at the correct level.

4. Start the engine and hold above 2000rpm until it reaches 170 degrees F.

5. Using the throttle drop rpm 50 rpm per 30 seconds until idle seems unstable.

6. Stay at the unstable rpm until it becomes stable and then repeat step 5.

7. Once the machine is idling at 1450 stable with no throttle input let sit and idle for 10-15 minutes.

8. Your machine is now ready to ride.

9. On higher duration cams it is common to need to give a little throttle to start the vehicle this is completely normal.

Performance STG5 Kit / Pro R 390hp

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