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CBR 600F 1987 - 1990 CBR 600F Forum

Valves

  #1  
Old 10-19-2014, 10:15 PM
June 2013 ROTM
Thread Starter
Join Date: Jul 2012
Location: Victoria, BC
Posts: 1,172
Default Valves

So I did my valves for the first time on the cbr this weekend. I had the FSM to guide me, but I found it woefully inadequate. I found doing a little extra work made the job much easier.
- FSM says to remove the only lower fairings. I had all the fairing off the bike anyways, but I removed the tank and air filter assembly as well (carbs can stay)
- I also removed the 2 bolts that hold the rad cap/thermostat assembly . This allows you to move the rad hoses around a bit.
- Easiest way is to remove the rad.Not necessary, but if you are planning on changing your coolant, it makes sense. If you are leaving the rad in, pull it forward as far as you can and tie it to the forks. Remove the rad fan.
- You will probably need to knock the cover off. Use a piece of wood to cushion your hammer blows.
- Buy a new gasket before hand. No use hoping the old one will hold up. You won't want to pull it all apart again to fix it.
- I had a variety of 1/4" and 3/8" drive 10mm sockets/ratches/extentions.
I did the intake nuts from above the carbs using an extension, and the exhaust ones using a small ratchet. I found it easiest to retighten the nuts with my fingers and then adjust the rockers using a jewelers screwdriver. Tighten the nuts and recheck. Make sure your check and double check everything with a torque wrench!

Everything else should be pretty straight forward.

I found mine to be REALLY tight, like 3-4 thou. Hopefully she will run a little better now.
 
  #2  
Old 10-20-2014, 05:11 PM
Join Date: Aug 2013
Location: Halden Norway
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I have to do mine to tho i am not sure as to what size shim kit to by. Any suggestions?
 
  #3  
Old 10-20-2014, 07:08 PM
June 2013 ROTM
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There are no shims for the F1. Just adjuster screws.
 
  #4  
Old 10-21-2014, 01:14 AM
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I remove the rad shroud and hold the rad forward with a bungee. There's not much room in there! Easy adjustment once your in however. I've sealed the gasket for second valve check. Then it leaked the third time so IMHO change the gasket every second valve cover removal.
 
  #5  
Old 10-21-2014, 01:16 AM
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Oh and get angled feeler gauges! Makes life so much easier!
 
  #6  
Old 10-21-2014, 08:51 PM
June 2013 ROTM
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Join Date: Jul 2012
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Originally Posted by seandcontracting View Post
I remove the rad shroud and hold the rad forward with a bungee. There's not much room in there! Easy adjustment once your in however. I've sealed the gasket for second valve check. Then it leaked the third time so IMHO change the gasket every second valve cover removal.
Yeah. I had no idea how many uses this one had, so I ordered one cheap. Glad I did, as the rubber was pretty hard when I pulled the cover off.
 
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