Best Way to Change the Front Sprocket?

  • bountyhunter
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Best Way to Change the Front Sprocket?

19 Oct 2008 21:30
#242749
One of those bizarre moments: I absolutely have zero recall of something I already did, namely changing the front sprocket on my 750 twin some years back....

That being the case:

What's the best way to loosen the front nut?

I still have the huge socket that fits it which I bought last time.

I do NOT have the magic tool to hold the sprocket while I turn the nut... but, I still changed it before without that tool.

Can I crank the nut against the chain while holding the rear brake?
1979 KZ-750 Twin

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  • timebomb33
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Re: Best Way to Change the Front Sprocket?

19 Oct 2008 21:40
#242752
yes you can, the best way of course is with the tool but when in a jam use a impact gun hold the back brake down and impact it off.
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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  • PLUMMEN
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Re: Best Way to Change the Front Sprocket?

19 Oct 2008 21:43
#242753
B)
Still recovering,some days are better than others.

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Re: Best Way to Change the Front Sprocket?

19 Oct 2008 23:03
#242768
i figured that would get the wheels in motion a little faster.
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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Re: Best Way to Change the Front Sprocket?

20 Oct 2008 00:08
#242773
timebomb33 wrote:
yes you can, the best way of course is with the tool but when in a jam use a impact gun hold the back brake down and impact it off.

Don't have an impact gun, but I do have a breaker bar and a hammer....:laugh:
1979 KZ-750 Twin

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Re: Best Way to Change the Front Sprocket?

20 Oct 2008 06:35
#242793
try to find somebody with a gun you can borrow it will be a lot easier the breaker bar will work but sometimes the shock from gun will break up any loctite on the nut.
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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  • Sandy
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Re: Best Way to Change the Front Sprocket?

20 Oct 2008 07:26
#242802
Or you could get someone to sit on the bike,put it in gear,and apply both brakes.;)
1977 KZ1000 A-1

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  • Old Man Rock
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Re: Best Way to Change the Front Sprocket?

20 Oct 2008 07:48
#242810
The best would be using Kawasaki Engine Sprocket tool 57001-118 but good luck on finding it....

Question, would a pickle fork (with some slight modification) accomplish the same thing?...

Hmmm, I wonder but I think this would work since the fork is also skewed (thicker wedge design back to the base).

NOTE to thyself: Modify one of my old forks...

OMR
1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az

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Re: Best Way to Change the Front Sprocket?

20 Oct 2008 13:30
#242849
Sandy wrote:
Or you could get someone to sit on the bike,put it in gear,and apply both brakes.;)

Or better yet, I sit on the bike and get somebody else to horse that big nut loose.:laugh:
1979 KZ-750 Twin

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Re: Best Way to Change the Front Sprocket?

20 Oct 2008 19:26
#242913
you had better do it your self in case of slippage you wouldn't want some one to sue your ass for pain and suffering if they slipped and barked their dainty didgets would you.
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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Re: Best Way to Change the Front Sprocket?

20 Oct 2008 21:20
#242938
1/2" drive breaker bar and a 10' long piece of 1 1/2" conduit worked great for loosening the nut on pos fwd buick i had the displeasure of working on last week.ya should of seen the look on the guys face he thought i was gonna beat him or the car with it,leverage is good!:laugh:
Still recovering,some days are better than others.

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Re: Best Way to Change the Front Sprocket?

20 Oct 2008 21:30 - 20 Oct 2008 21:32
#242942
When i did the front sprocket on the z1 a bit ago, i used an impact gun, i just put it in gear and backed the nut off without a prob.
74 Z1a 900 (Apart and making it better than ever)
77 Kz 650b (Threw a rod, going to sandwich in a 900 or 1000 motor)
76 Kz 400d
05 ninja zx-636
81 Kz 750 Ltd
Darien, Illinois
Last edit: 20 Oct 2008 21:32 by oldkaws4ever.

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