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08-13-2015, 02:46 PM #1
New R&D parts and kits for the Kawasaki 300/310 skis
R & D Ultra 300/310 16 Supercharger Pulley Wheel/Ratio .970 to 1 (16-17 LBS Boost)
The R&D Racing “High Boost” Supercharger Pulley Wheel’s for the 300X/310X will clearly deliver an impressive boost in torque and overall...611-30016 $349.95
R & D Ultra 300/310 Supercharger Pulley Wheel/Ratio 1.021 to 1 (18-19 LBS Boost)
The R&D Racing “High Boost” Supercharger Pulley Wheel’s for the 300X/310X will clearly deliver an impressive boost in torque and overall...611-30018 $349.95
R & D Ultra 310 Stage 1 Engine Kit with RDP-16 Pound Supercharger Pulley Wheel
Stock Ultra 310X Avg. speed 65.5-66 mph @ 7600-7700 RPM (after speed limiter engagement) Stage 1 Engine Kit w/RDP-16 S/C Pulley 76 mph @ 7950-8000...611-31691 $1,099.90
R & D Ultra 310 Stage 2 Engine Kit with RDP-16 Supercharger Pulley Wheel
STOCK ULTRA 310X AVG. SPEED 65.5-66 mph @ 7600-7700 RPM (after speed limiter engagement) STAGE 2 PERFORMANCE KIT 77 mph @ 8100-8150 RPM The R&D Ultra...611-31693 $1,299.85
R & D Ultra 310 Stage 3 Engine Kit with RDP-18 Supercharger Pulley Wheel
STOCK ULTRA 310X AVG. SPEED 65.5-66 mph @ 7600-7700 RPM (after speed limiter engagement) STAGE 3 PERFORMANCE KIT 78 Plus mph @ 8200-8300 RPM The R&D...611-31800 $1,599.80
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08-13-2015, 03:03 PM #2
- Join Date
- Aug 2009
- Location
- Discovery Bay, CA
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Hmmmmmmmmmm
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08-13-2015, 03:42 PM #3
Christmas already !!?..And it's only August..
Jeez if this would of came out winter/Spring while I was changing my SC belt ...
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08-13-2015, 04:00 PM #4
here we go again !!!!!!!!!!!!!
349 for a little bit of machine alloy
pftttt
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+1 by:
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08-13-2015, 04:47 PM #5
You can tell few make pullies for the TVS on an Ultra.
The Shelby GT500 TVS pullies are 1/3rd the cost.
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08-13-2015, 07:32 PM #6
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- Aug 2009
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- Discovery Bay, CA
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Ill just assume that some of those are smaller pulley wheel and larger idler.... cant get too small without it.
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+1 by:
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08-13-2015, 09:01 PM #7
Very cool.
I was told even if the supercharger was spun higher it still wouldn't make more boost.
I was also told that the motor had issues with blow by at high rpm.
Can't wait for results of buyers.
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08-13-2015, 09:59 PM #8
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- Aug 2009
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they'll make 17psi tops, maybe a 1-2 more depending on weather after that they're heat pumps. it will hit harder from the bottom thats a guarantee..... keep it at or around 8300 and oil shouldnt be an issue
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08-13-2015, 10:33 PM #9
I would think with the R&D stage 3 setup with other jet pump / rideplate / impeller mods this combo should produce a ski with 80+ MPH capability.
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08-13-2015, 11:21 PM #10
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- Aug 2009
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- Discovery Bay, CA
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80 is a pretty large number for an ultra hull.... nose way up in the sky it may do it with all that
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