dyno results for zr550

  • Zaddict
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  • Enjoying my Zaddiction!
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25 Mar 2017 08:27 #757616 by Zaddict
dyno results for zr550 was created by Zaddict
I'm pretty pleased - 52 rwhp on a 550 with ~40K miles. This is after installing a Kerker race exhaust, K&N filter and re-jetting. Wish I'd had the bike dyno'd before for comparison. In theory these bikes came stock with 50 hp but that was likely measured at the crank. I can definitely feel a performance increase from the mods - have to fight now to keep the front wheel down when shifting into 2nd at redline.

1990 Zephyr zr550 B1
Wiseco 615cc kit
zx550 cams
SPII ignition system
Kerker stainless steel race exhaust with 1.5" competition baffle
K&N Air Filter...
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The following user(s) said Thank You: GPz550D1, KZB2 650

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  • SWest
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  • 10 22 2014
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25 Mar 2017 09:25 #757620 by SWest
Replied by SWest on topic dyno results for zr550
:woohoo:
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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  • Nessism
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25 Mar 2017 14:01 #757645 by Nessism
Replied by Nessism on topic dyno results for zr550
Nice! 52 hp at the rear wheels is outstanding! Bet that thing is a blast to ride!

Enjoy!
Ed
Carb O-ring Kits : www.kzrider.com/forum/3-carburetor/61807...-o-ring-kits?start=0

www.kzrider.com/forum/faq-wiki/618026-new-owner-things-to-know

1981 KZ750E2
www.kzrider.com/forum/11-projects/604901...z750e-project-thread
The following user(s) said Thank You: GPz550D1

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25 Mar 2017 14:59 - 25 Mar 2017 15:01 #757653 by KZB2 650
Replied by KZB2 650 on topic dyno results for zr550
I like it....Still pullin to 11 grand too... seriously thought about it ... a place in Chicago and the suburbs does it but forget who they were right now..... maybe someday...... Edit just noticed 1,000th post and cool it was about making more horse power.
1978 KZ650 b-2
700cc Wiseco kit 10 to 1.
1980 KZ750 cam, ape springs, stock clutch/ Barnett springs.
Vance and Hines Header w/ comp baffle and Ape pods, Dyna S and green coils, copper wires.
29MM smooth bores W/ 17.5 pilots, 0-6s and 117.5 main
16/42 gearing X ring chain and alum rear JT sprocket.
Last edit: 25 Mar 2017 15:01 by KZB2 650.

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  • CoreyClough
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26 Mar 2017 08:34 #757729 by CoreyClough
Replied by CoreyClough on topic dyno results for zr550
Dyno performed and signed by Marc Salvisberg of Factory Pro. Glad to see you progressing with this bike.
'85 GPz550(ZX550-A2)

GPz550 Base Manual --> tinyurl.com/ze5b3qo
GPz550 Supplement Manual --> tinyurl.com/h34d2o6
GPz550.com --> www.nwsca.com/scripts/gpz_forum_2005/default.asp
First Race Win GPz550 --> tinyurl.com/o5y3ftp

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