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Changing The Infamous Starter Clutch On 750 Twin
- bountyhunter
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Just curious: can I use engine compression as a "brake" and put a wrench on the nut and tap the end of the wrench with a hammer? That would be sort of like an impact driver effect.
The problem is the torque twisting the crankshaft would be applied to the piston rods so it could twist the crank.
Better ideas would be appreciated.
1979 KZ-750 Twin
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- gane
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[img][/img] 1977 KZ1000A1
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- bountyhunter
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I don't have an impact wrench.
1979 KZ-750 Twin
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- timebomb33
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1973 z1 2-1974z1-a,2-1975z1-b dragbikes1015cc+1393cc, 1977kz1000,1978kz1000,1981kz1000j, 1997 zx-11, 2000 z12r,1428turbo nitrous pro-mod and a shit load of parts thats all for now leader sask.,CANADA
I THINK MY POWERBAND BROKE
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- bountyhunter
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I've been looking for one of those. I'll see if I can find one tomorrow.get a cheap strap wrench from any auto parts or tool supplier like harbour freight or up here prinncess auto that will hold the rotor just fine.
1979 KZ-750 Twin
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- Patton
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Accomodates various size bits and also 3/8" sockets.
Here for reference is the impact driver listed by Z1E. Click > impact driver
Good Luck!
1973 Z1
KZ900 LTD
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- Rainman
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Also works when using the axle threads (RH thread) to remove the rotor and clutch assembly.
80 KZ750 H1 - the Kaw calf
79 KZ750 Twin - Miss Nov 2008 KZR calander
79 KZ750 Twin parts bike
78 KZ650 C2 Parts Bike
75 KZ400 Wife's old bike sold
81 KZ440 A2 LTD Wife's new bike
84 Honda 450 Rebel Wife's newest bike
Jim
Quincy,IL
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- Rainman
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If the bolt loosens, the rotor and clutch assembly will spin freely on the crank shaft taper instesd of turning the crank.
Hopefully you won't have to find this out in the parking lot of the DMV. And while in the parking lot, removing the side case to tighten said bolt without thread locker, also find out that much more oil poures out when the bike is on the side stand instesd of the center stand.
Good Luck.
80 KZ750 H1 - the Kaw calf
79 KZ750 Twin - Miss Nov 2008 KZR calander
79 KZ750 Twin parts bike
78 KZ650 C2 Parts Bike
75 KZ400 Wife's old bike sold
81 KZ440 A2 LTD Wife's new bike
84 Honda 450 Rebel Wife's newest bike
Jim
Quincy,IL
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- bountyhunter
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I was planning to use blue loctite on it for sure.
1979 KZ-750 Twin
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- AtLarge
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1973 Honda CL70-K3
1975 Kawasaki 350 F9-C
1983 Kawasaki KZ750-K1
1994 BMW K1100RS
2008 Suzuki GSX1300-BKK8 #1120
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- bountyhunter
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BountyHunter, post up some pics after your done. Would be most interested in how it goes for you and if you have any tips afterwards. I think mine is getting "tired" so sooner or later I'll have to do it too. TIA.
Didn't have a camera while I did it, but here's the blow by blow description so far:
The screwdriver flywheel holder as shown above in this thread worked perfectly. I used a long 17mm box end wrench on the shaft nut and tapped it with a hammer and it came loose easily.
Getting the flywheel off was nearly impossible, even using the rear axle as a puller. At first, I was using one long screwdriver to twist the axle supporting it under with my left hand. NEVER MOVED. Eventually, I got two screwdrivers and shoved one into each side of the axle nut's through hole and twisted with both hands (one on each screwdriver) and it finally let go.
AS AN ASIDE: My clutch didn't need changing, it is in very good condition. In fact, better condition than the used one I bought to cannibalize for parts should I have found anything broken in mine. Amazing, almost 80k miles on mine and it has very little wear at all. I just cleaned everything and polished the rollers and pins. The springs looked very good.
Oh, well. My starter did "squawk" a couple of times recently when I hit it so I thought it needed fixing, but maybe not. The engine may have just kicked back over against it.
1979 KZ-750 Twin
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- AtLarge
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1973 Honda CL70-K3
1975 Kawasaki 350 F9-C
1983 Kawasaki KZ750-K1
1994 BMW K1100RS
2008 Suzuki GSX1300-BKK8 #1120
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