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Rear suspension

Started by ADHD Perfected, March 21, 2015, 10:29:22 PM

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ADHD Perfected

March 21, 2015, 10:29:22 PM
I know I'm flogging a dead horse but here goes. I know PENSKE or Rpm racing....but these are way out of budget for now I've heard goldwing bmw and gsr shocks might be an option for my 87. Welding and fabrication aren't an issue as it's part of my occupation. I intend to put the rpm valve in the forks this fall unless I have no choice

FJmonkey

#1
March 21, 2015, 10:39:01 PM
The front RPM fork valves will make you think you rear end is possessed. I did the front first and discovered my rear was my new torment... I am not using the the RPM shock in a standard install, so I will not comment till I have it dialed in....  But I like what I have so far.... It is better than stock....
The glass is not half full, it was engineered with a 2X safety factor.

'86 Ambulance - Bent frame, cracked case, due for an overhaul
'89 Stormy Blue - Suits my Dark Side

giantkiller

#2
March 21, 2015, 10:47:36 PM
Honda f4i is what I have on my 86. I put a heavier eibach spring on it. Total cost including the spring compressor tool. Was (it's been a while) $160. Without the spring and tools. Around $50.
86 fj1350r
86 fj1380t turbo drag toy (soon)
87 fj1200 865 miles crashed for parts
89 fj1200 touring 2up
87 fzr1000 crashed
87 fzr750r Human Race teams world endurance champion
93 fzr600 Vance n hines ltd for sale
Custom chopper I built
Mini chopper I built for my daughter just like the big 1

aviationfred

#3
March 22, 2015, 01:10:33 AM
I have a spare f4i shock if you are interested. giantkiller (Dan), should be able to help with indo on what bearings to install in the f4i shock.

Fred
I'm not the fastest FJ rider, I am 'half-fast', the fastest slow guy....

Current
2008 VFR800 RC46 Vtec
1996 VFR750 RC36/2
1990 FJ1300 (1297cc) Casper
1990 VFR750 RC36/1 Minnie
1989 FJ1200 Lazarus, the Streetfighter Project
1985 VF500F RC31 Interceptor

ADHD Perfected

#4
March 24, 2015, 10:16:05 PM
Quote from: giantkiller on March 21, 2015, 10:47:36 PM
Honda f4i is what I have on my 86. I put a heavier eibach spring on it. Total cost including the spring compressor tool. Was (it's been a while) $160. Without the spring and tools. Around $50.
Went and verified what I already knew.. oem rear shock. I'm saving for the carb work being done at the moment and will contact you once that's done. long shot would you have the part # for spring and thank you for your help.
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