Performance mods KZ750G?

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09 Jul 2014 08:50 #639422 by oldryder
Performance mods KZ750G? was created by oldryder
presently resurrecting a 1980 750 twin. was wondering if performance parts like camshafts, stroker crank, or bore kits are still available and if yes, where.

thx in advance for help or suggestions.

ps. I know it'll never be a crotch rocket but I just like making it better.

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09 Jul 2014 11:48 #639440 by bountyhunter
Replied by bountyhunter on topic Performance mods KZ750G?
never seen any performance parts for the 750 twin.

1979 KZ-750 Twin

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09 Jul 2014 14:22 #639467 by koolaid_kid
Replied by koolaid_kid on topic Performance mods KZ750G?

bountyhunter wrote: never seen any performance parts for the 750 twin.

There is a reason for that. The twins had a completely different goal from a 4 cylinder. If you want performance, get a 4 cylinder. If you want nice comfortable cruising, stick with the twin.

1983 GPz 750
810 Wiseco, Kerker, K&N, DynoJet S3, Accel, Progressive, etc.

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09 Jul 2014 14:56 - 09 Jul 2014 15:10 #639470 by slayer61
Replied by slayer61 on topic Performance mods KZ750G?

koolaid_kid wrote:

bountyhunter wrote: never seen any performance parts for the 750 twin.

There is a reason for that. The twins had a completely different goal from a 4 cylinder. If you want performance, get a 4 cylinder. If you want nice comfortable cruising, stick with the twin.


Shell Thuet would have disagreed with this statement.

OK so it isn't a "common" motor for hot rodding, BUT, everything can be done. Check with megacycle for cam shafts. (475-20 and 475-40) Edco, in Petaluma can build a fantastic head and J&E make custom pistons for any application to YOUR specs in quantities of four or more. Carillo rods also do custom work. Good luck with your build. Paul

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
Last edit: 09 Jul 2014 15:10 by slayer61.

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09 Jul 2014 20:42 #639528 by bountyhunter
Replied by bountyhunter on topic Performance mods KZ750G?

koolaid_kid wrote:

bountyhunter wrote: never seen any performance parts for the 750 twin.

There is a reason for that. The twins had a completely different goal from a 4 cylinder. If you want performance, get a 4 cylinder. If you want nice comfortable cruising, stick with the twin.

I didn't want to point that out and poop on the thread.....

1979 KZ-750 Twin

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09 Jul 2014 20:46 #639530 by bountyhunter
Replied by bountyhunter on topic Performance mods KZ750G?

slayer61 wrote:

koolaid_kid wrote:

bountyhunter wrote: never seen any performance parts for the 750 twin.

There is a reason for that. The twins had a completely different goal from a 4 cylinder. If you want performance, get a 4 cylinder. If you want nice comfortable cruising, stick with the twin.


Shell Thuet would have disagreed with this statement.

OK so it isn't a "common" motor for hot rodding, BUT, everything can be done.

True, Anything's possible with a big enough hammer and a fat enough checkbook.

1979 KZ-750 Twin

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10 Jul 2014 06:50 #639551 by koolaid_kid
Replied by koolaid_kid on topic Performance mods KZ750G?

bountyhunter wrote:

koolaid_kid wrote:

bountyhunter wrote: never seen any performance parts for the 750 twin.

There is a reason for that. The twins had a completely different goal from a 4 cylinder. If you want performance, get a 4 cylinder. If you want nice comfortable cruising, stick with the twin.

I didn't want to point that out and poop on the thread.....

So I'm a pooper, eh? :lol: :lol:

bountyhunter wrote:

slayer61 wrote:

koolaid_kid wrote:

bountyhunter wrote: never seen any performance parts for the 750 twin.

There is a reason for that. The twins had a completely different goal from a 4 cylinder. If you want performance, get a 4 cylinder. If you want nice comfortable cruising, stick with the twin.


Shell Thuet would have disagreed with this statement.

OK so it isn't a "common" motor for hot rodding, BUT, everything can be done.

True, Anything's possible with a big enough hammer and a fat enough checkbook.

Very true. Custom pistons, eh? I wonder what they would cost, since he will be making 4 pistons for a twin motorcycle.

1983 GPz 750
810 Wiseco, Kerker, K&N, DynoJet S3, Accel, Progressive, etc.

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10 Jul 2014 07:41 #639556 by slayer61
Replied by slayer61 on topic Performance mods KZ750G?

koolaid_kid wrote:

bountyhunter wrote:

koolaid_kid wrote:

bountyhunter wrote: never seen any performance parts for the 750 twin.

There is a reason for that. The twins had a completely different goal from a 4 cylinder. If you want performance, get a 4 cylinder. If you want nice comfortable cruising, stick with the twin.

I didn't want to point that out and poop on the thread.....

So I'm a pooper, eh? :lol: :lol:

bountyhunter wrote:

slayer61 wrote:

koolaid_kid wrote:

bountyhunter wrote: never seen any performance parts for the 750 twin.

There is a reason for that. The twins had a completely different goal from a 4 cylinder. If you want performance, get a 4 cylinder. If you want nice comfortable cruising, stick with the twin.


Shell Thuet would have disagreed with this statement.

OK so it isn't a "common" motor for hot rodding, BUT, everything can be done.

True, Anything's possible with a big enough hammer and a fat enough checkbook.

Very true. Custom pistons, eh? I wonder what they would cost, since he will be making 4 pistons for a twin motorcycle.


I recently had them make 4 pistons for a SR500 (ish :evil: ) motor. 1 in the motor and 3 on the shelf. About $120 per.

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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