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Piston rings 30 Jul 2014 15:16 #642046

  • koloj
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Well got the cyclinders honed and now I need new rings does anyone know if their aftermarket rings that will fit 1980 kz750ee 4cylinder or place get them cheaper then 40 a set cause for reel this rebuild bleeding me dry only 15 a set for my Harley I had two years ago

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Piston rings 30 Jul 2014 15:40 #642049

  • undiablo
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Sorry but as far as I know, there are no aftermarket piston rings for any kz750 or gpz750. I have been looking for years now with no luck. Kz650 has better aftermarket piston rings availability.
Kawasaki KZ 750/4 LTD 1981
Kawasaki KLR 650 2011
Argentina - Buenos Aires

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Last edit: by undiablo.

Piston rings 30 Jul 2014 15:54 #642050

  • Tyler
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$40 is what they cost. Your Harley cant turn 10,000rpm so the comparison is kind of like parts for a 350 Chevy vs. a Porsche...

In general rings in high output air cooled engines take a beating, and I would not want to cheap out on something like that when putting all the work into a rebuild. YMMV
If I knew what I was doing all the time life wouldn't be any fun.

'80 KZ650 E 700cc, dyna ignition and coils, frame up restoration, daily driver
'81 KZ1300 A3 full restoration, custom big bore pistons, 1400cc 6 cylinder super bike
"77 KZ650 B1 - Barn Find, work in progeress
"74 Yamaha DT 400 Enduro

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Piston rings 30 Jul 2014 19:11 #642069

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But if I get them from Kawasaki aren't they gonna be 30 years old

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Piston rings 30 Jul 2014 19:16 #642071

  • bluezbike
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Not necessarily, just the design is to fit a 30 year old bike ..........besides they haven't been used for 30 years,,,,,,,,, :silly:
79 KZ 1000 LTD
77 KZ 1000 B1 LTD (awaiting electrical resurrection)

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Piston rings 30 Jul 2014 19:31 #642076

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The last incarnation of the 2 valve 750 engine was in the ZR-7 which they stopped making in 2003. Considering the 750 is almost identical to the 650, that engine was used in one form or another from 1976 to 2003. Kawasaki may still actually be making some parts for that engine currently.
If I knew what I was doing all the time life wouldn't be any fun.

'80 KZ650 E 700cc, dyna ignition and coils, frame up restoration, daily driver
'81 KZ1300 A3 full restoration, custom big bore pistons, 1400cc 6 cylinder super bike
"77 KZ650 B1 - Barn Find, work in progeress
"74 Yamaha DT 400 Enduro

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Piston rings 30 Jul 2014 20:13 #642085

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Cool to know

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Piston rings 30 Jul 2014 20:14 #642086

  • Z1Driver
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only 15 a set for my Harley I had two years ago


But you don't have to rebuild every 50,000 either. :whistle:
Blue 1975 Z1B
Red 2009 Concours 14

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Piston rings 30 Jul 2014 21:25 #642096

  • ezrider714
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40$ a set doesn't seem like that high a price. If they where any cheaper I'd be scared :unsure: to use them,probably be some inferior Chinese steel and manufacturing processing :ohmy:
Most of the major ring manufacturers will make whatever you need...But they ain't gonna be 40$ a set :blink:
78 KZ650SR Mine since 79
4-1 Mac Jet Hot coated since mid 80's
Dyna Coils
Saddlebags (I ain't skeered of going nowhere) :)

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Piston rings 31 Jul 2014 07:36 #642135

  • slayer61
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Man up... $40.00 a set is only $10 a hole! Spend the money while you're in there and don't regret it later
Don't be ridiculous! It's only a flesh wound!

Wife's little bike... 1984 GPZ 550 Kerker and DynaJet stage I kit
Wife's BIG bike...... 1981 GPZ 1100 Kerker and factory FI Mikuni RS34s W/ K&N pods

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Piston rings 31 Jul 2014 07:41 #642138

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A set means 40 a piston I have four

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Piston rings 31 Jul 2014 07:56 #642140

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All honestly I haven't been cheap cost me 575 for hone and valve seat job 100 for gasket set 48 for bolt kit...still going need rings front wheel bearing s oil paint

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