gpz 500 starting motor problem

Bish · 04-10-2006

Hi i have a 1991 gpz- 500 american import it only has 1100 miles on it and has been a dream bike until now,the problem is the starting motor is turning but i am getting no compression at all,i have a haynes manual and it suggests that the problem is the starting motor clutch i removed the casing but then it said i need a special tool to remove the alternator rotor is there any other way to do this??also one of the magnets on the rotor was broken in a few pieces,will the rotor need replacing??Thanks

Tbone800b · 04-10-2006

I'm no expert but that doesn't sound good about the rotor. Welcome and I'm sure someone with experience will respond soon.

Bish · 04-10-2006

Yeah didnt think it looked too good myself , had a 125 before this and could strip it ok but it only had a kick start no electric one,its all new to me but got to learn sometime..

Fixion · 04-10-2006

I had to remove that on my EX500 (same engine I believe), I just bought a bolt from fastenall and screwed it in with an impact wrench. That worked well for me, but I had the impact wrench, if you can keep the rotor from rotating, you could probably do this with a regular wrench.

04-10-2006	#1 (permalink)
Bish GPZ-500 Join Date: Apr 2006 Location: Dublin-Ireland Posts: 9	gpz 500 starting motor problem Hi i have a 1991 gpz- 500 american import it only has 1100 miles on it and has been a dream bike until now,the problem is the starting motor is turning but i am getting no compression at all,i have a haynes manual and it suggests that the problem is the starting motor clutch i removed the casing but then it said i need a special tool to remove the alternator rotor is there any other way to do this??also one of the magnets on the rotor was broken in a few pieces,will the rotor need replacing??Thanks

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04-10-2006	#2 (permalink)
Tbone800b Skullhead Donkey Puncher Forum Supporter Join Date: Nov 2005 Location: Martinez, GA Posts: 1,060	I'm no expert but that doesn't sound good about the rotor. Welcome and I'm sure someone with experience will respond soon.

04-10-2006	#3 (permalink)
Bish GPZ-500 Join Date: Apr 2006 Location: Dublin-Ireland Posts: 9	Yeah didnt think it looked too good myself , had a 125 before this and could strip it ok but it only had a kick start no electric one,its all new to me but got to learn sometime..

04-10-2006	#4 (permalink)
Fixion Sit speling cheker BTK Expert Join Date: Dec 2004 Location: SWMO Posts: 423	I had to remove that on my EX500 (same engine I believe), I just bought a bolt from fastenall and screwed it in with an impact wrench. That worked well for me, but I had the impact wrench, if you can keep the rotor from rotating, you could probably do this with a regular wrench.

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