- Posts: 3704
- Thank you received: 241
550 electronic ignition into a 650
- luvmykaw
- Topic Author
- Visitor
24 Oct 2005 21:33 #4005
by luvmykaw
550 electronic ignition into a 650 was created by luvmykaw
OKC_Kent was asking about this is article in another forum.
Replacing Points with GPz Ignition
After years of those lousy, fouling points I came across a GPz550 at a junk yard and took its ignitor unit and the cam and sensors that are on the end of the crank (where the points would be on my '77 KZ650). They bolt right on and only cost me $20.00.
This was in 1994 and it's now March 2000 and it's been bulletproof. Before I would replace points every few months. No more fouling, and the fuel mileage is much better.
BY ZZJOECOOL
I was told that early 80's GPZ 550's were the ticket. I researched and found only two GPZ 550'S, the 1982 H1 and the 1983 H2 share the same igniter unit, part # 21119-1039. But the Pulsing Coil (same deal as a points plate) on a 1982 GPZ 550 H1 shares the same part number with the:
81 550 A2
82 550 A3
83 550 A4
80 550 C1
81 550 LTD
82 550 LTD
83 550 LTD
81 550 D1
83 550 SPECTRE
83 550 GPZ
83 550 LTD SHAFT
Replacing Points with GPz Ignition
After years of those lousy, fouling points I came across a GPz550 at a junk yard and took its ignitor unit and the cam and sensors that are on the end of the crank (where the points would be on my '77 KZ650). They bolt right on and only cost me $20.00.
This was in 1994 and it's now March 2000 and it's been bulletproof. Before I would replace points every few months. No more fouling, and the fuel mileage is much better.
BY ZZJOECOOL
I was told that early 80's GPZ 550's were the ticket. I researched and found only two GPZ 550'S, the 1982 H1 and the 1983 H2 share the same igniter unit, part # 21119-1039. But the Pulsing Coil (same deal as a points plate) on a 1982 GPZ 550 H1 shares the same part number with the:
81 550 A2
82 550 A3
83 550 A4
80 550 C1
81 550 LTD
82 550 LTD
83 550 LTD
81 550 D1
83 550 SPECTRE
83 550 GPZ
83 550 LTD SHAFT
Please Log in or Create an account to join the conversation.
- RonKZ650
- Offline
- User
Less
More
25 Oct 2005 06:43 #4060
by RonKZ650
321,000 miles on KZ's that I can remember. Not going to see any more.
Replied by RonKZ650 on topic 550 electronic ignition into a 650
I put the stock 550 ignition from a 1981 KZ550A2 in a 1977 KZ650 and it was very easy except for one problem. The 550 ignition pickup plate is not slotted, so timing is preset and was way retarded on the 650 so slotting the plate was necessary in my case. Don't exactly know why the timing would not have been exactly the same between models, but it wasn't. I could have lived with it as it was, but the timing light showed ignition 1/2 way between the F and T mark on mine.
321,000 miles on KZ's that I can remember. Not going to see any more.
Please Log in or Create an account to join the conversation.
- wiredgeorge
- Offline
- User
25 Oct 2005 06:49 #4063
by wiredgeorge
wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
Too many bikes to list!
Replied by wiredgeorge on topic 550 electronic ignition into a 650
Ron, this is also true of 900/1000 electronic ignition swaps for points systems. The reason is that there are a variety of mechanical advance mechanisms. If you use the advance that came with the electronic ignition, it seems to work well enough but it only has timing marks for 1/4 on the KZ1000 electronic igntions and is not adjustable so the slotting mod makes sense...
wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
Too many bikes to list!
Please Log in or Create an account to join the conversation.
- loudhvx
- Offline
- KZr Legend
Less
More
- Posts: 10864
- Thank you received: 1615
25 Oct 2005 15:04 #4188
by loudhvx
1981 KZ550 D1 gpz.
Kz550 valve train warning.
Other links.
Replied by loudhvx on topic 550 electronic ignition into a 650
It's probably that the reluctor's rotor also has an offset from the points cam. You can also adjust the timing by pulling off the iron slug from the rotor and pressing it back on in the right position.
1981 KZ550 D1 gpz.
Kz550 valve train warning.
Other links.
Please Log in or Create an account to join the conversation.