Piston rings

  • koloj
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Piston rings

30 Jul 2014 15:16
#642046
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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  • undiablo
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Re: Piston rings

30 Jul 2014 15:40 - 30 Jul 2014 16:15
#642049
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
Last edit: 30 Jul 2014 16:15 by undiablo.

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  • Tyler
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Re: Piston rings

30 Jul 2014 15:54
#642050
$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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Re: Piston rings

30 Jul 2014 19:11
#642069
But if I get them from Kawasaki aren't they gonna be 30 years old

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  • bluezbike
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Re: Piston rings

30 Jul 2014 19:16
#642071
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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Re: Piston rings

30 Jul 2014 19:31
#642076
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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Re: Piston rings

30 Jul 2014 20:13
#642085
Cool to know

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  • Z1Driver
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Re: Piston rings

30 Jul 2014 20:14
#642086
only 15 a set for my Harley I had two years ago

But you don't have to rebuild every 50,000 either. :whistle:
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  • ezrider714
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Re: Piston rings

30 Jul 2014 21:25
#642096
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
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Re: Piston rings

31 Jul 2014 07:36
#642135
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!

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

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Re: Piston rings

31 Jul 2014 07:41
#642138
A set means 40 a piston I have four

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Re: Piston rings

31 Jul 2014 07:56
#642140
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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