Clutch Slipping - Yamaha Raptor Forum
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post #1 of 7 (permalink) Old 05-14-2019, 05:00 AM Thread Starter
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Clutch Slipping

So I did an engine rebuild on 2013 Raptor 700R SE, out of all the things I purchased I had a new clutch set from Hinson which was installed on the engine when it was rebuild, my tuner is telling me my clutch is slipping, that i need a better clutch. What exactly can be causing it? As far as i know the only thing i can do is buy a lockout clutch, but with a bike at around 70HP, i shouldn't need it. Any help is appreciated.
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post #2 of 7 (permalink) Old 05-14-2019, 05:38 AM
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Did you replace the half fiber and install stiff springs with the Hinson basket?
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post #3 of 7 (permalink) Old 05-14-2019, 06:29 AM
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Quote:
Originally Posted by palvarez05 View Post
So I did an engine rebuild on 2013 Raptor 700R SE, out of all the things I purchased I had a new clutch set from Hinson which was installed on the engine when it was rebuild, my tuner is telling me my clutch is slipping, that i need a better clutch. What exactly can be causing it? As far as i know the only thing i can do is buy a lockout clutch, but with a bike at around 70HP, i shouldn't need it. Any help is appreciated.
I’m over 80hp without a lockout doing just fine.

The best grabbing clutch pack is 8 fibers (all the same size). Use stiffer springs. I’ve measured spring pressure at install height on several “hd” springs and they’re all pretty much same as stock. Cuervo Racing sells some that are truely much heavier than stock. Use oem Yamaha fibers from 04-05 yfz450.

Make sure no grooves in basket or hub.
Soak fibers in oil before install.
Ditch the small fiber and associated parts.
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2015 700Rse
Fci, PC5F/I, monster exhaust, +2 Cuervo head, HDD5150, 54mm throttle body, 105.5 14:1, +8 swingarm.
08 yfz450se
Sparks big core, k&n no lid, yz needle, yz timing mod, +4 swingarm.
“Peepshow”
Cuervo 870, lectron, msd, monster megs, single a-arm lightened chasis, +14 swingarm.
”Monarchy”
Cuervo 930, lectron, msd, db fab titanium chasis.
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post #4 of 7 (permalink) Old 05-14-2019, 06:58 AM Thread Starter
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Quote:
Originally Posted by 418Stroker View Post
Did you replace the half fiber and install stiff springs with the Hinson basket?
I did not install the Hinson basket, I am using the stock basket. The kit came with the plates and springs.

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post #5 of 7 (permalink) Old 05-15-2019, 10:29 PM
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Use steel plates that don't have dimples, just smooth contact face.

2007 RAPTOR 700, SAND QUAD, 11:1 CP, +5 HR CRANK, PC3, +2 TB, LONE STAR XC +1, +1 A-ARMS, HD TIE RODS, JOGACA REAR SHOCK, ASV LEVERS, +4 REAR AXLE, DR.D REVERSE, ODI GRIPS, 1 1/8 CARBON BARS, DG BUMPER. BILLET: GAS CAP, BRAKE COVER, THROTTLE LEVER, BAR MOUNTS. LED LIGHTS'
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post #6 of 7 (permalink) Old 05-16-2019, 02:21 AM Thread Starter
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Use steel plates that don't have dimples, just smooth contact face.
Aren't the histons plates like that?

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post #7 of 7 (permalink) Old 05-17-2019, 03:22 PM
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Don't know about Hinson but Tusk has dimples.

2007 RAPTOR 700, SAND QUAD, 11:1 CP, +5 HR CRANK, PC3, +2 TB, LONE STAR XC +1, +1 A-ARMS, HD TIE RODS, JOGACA REAR SHOCK, ASV LEVERS, +4 REAR AXLE, DR.D REVERSE, ODI GRIPS, 1 1/8 CARBON BARS, DG BUMPER. BILLET: GAS CAP, BRAKE COVER, THROTTLE LEVER, BAR MOUNTS. LED LIGHTS'
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