CBR 1000F "Hurricane" 1987-1996 CBR 1000F

Fork oil level - Is the manual spec per fork?

Thread Tools
 
Search this Thread
 
Old Mar 16, 2009 | 11:31 AM
  #1  
WhiteHawk's Avatar
Thread Starter
|
Senior Member
Joined: Dec 2006
Posts: 162
Likes: 0
From: Michigan, USA
Default Fork oil level - Is the manual spec per fork?

I got a spec of 14.1 oz (418cc), but it doesn't specify if that is total combined or for each fork separately.

Can somebody clarify please? Thanks in advance!
 
Reply
Old Mar 16, 2009 | 12:18 PM
  #2  
hawkwind's Avatar
September 2009 ROTM Winner - Faster than a Speeding ..........
Joined: Nov 2008
Posts: 3,808
Likes: 3
From: UK
Default

If I remember correctly that is for each fork , then you need to pump the fork at least 1/2 dozen times carefully and measure the oil level form the top of the forks. At least that was the procedure for my '91.
 
Reply
Old Mar 16, 2009 | 01:37 PM
  #3  
pacojoseph's Avatar
Senior Member
Joined: May 2007
Posts: 939
Likes: 0
From: Philly, PA USA
Default

Per Haynes, 14.1 US fl. oz. per leg for 93 and later bikes.
 
Reply
Old Mar 16, 2009 | 05:20 PM
  #4  
WhiteHawk's Avatar
Thread Starter
|
Senior Member
Joined: Dec 2006
Posts: 162
Likes: 0
From: Michigan, USA
Default

Ok, I just added some more fluid to the shock setup, still dives a little so I'm going to add a little more eventually. I didn't mention, but, I only added 7 oz to each shock when I did springs this last weekend
 
Reply
Old Mar 16, 2009 | 06:31 PM
  #5  
hawkwind's Avatar
September 2009 ROTM Winner - Faster than a Speeding ..........
Joined: Nov 2008
Posts: 3,808
Likes: 3
From: UK
Default

Will try to find my manual and get back to you , as according to the Haynes manual you should also measure oil level from the top of the forks .

Can't remember off hand what the measurement is , but as you don't know how much oil you have in there now this may be the best way forward without draining the oil and starting again .

Also if you didn't pump the fork pistons there may be air in there.
 
Reply
Old Mar 16, 2009 | 06:45 PM
  #6  
Harry_T_Hamster's Avatar
Senior Member
Joined: Aug 2007
Posts: 428
Likes: 1
From: Wigan UK / Victoria Australia
Default

Originally Posted by hawkwind
Will try to find my manual and get back to you , as according to the Haynes manual you should also measure oil level from the top of the forks .

Can't remember off hand what the measurement is , but as you don't know how much oil you have in there now this may be the best way forward without draining the oil and starting again .

Also if you didn't pump the fork pistons there may be air in there.
Cant remember the distance off the top of my head either - but I suggest you get hold of a syringe and some rubber tube - mark the tube at the exact distance (once someone can be bothered looking it up lol) and dip it into the fork until the mark is level with the fork top.

if you over fill a little you can then use the syringe to draw fluid out - when it suck air you have the right amount.

You dont actually have to have the EXACT amount - you can play around a bit to give yourself a firmer ride etc - but using the syringe method will give you a consistant amount over both forks - with is what you are really after
 
Reply
Old Mar 17, 2009 | 08:37 AM
  #7  
hawkwind's Avatar
September 2009 ROTM Winner - Faster than a Speeding ..........
Joined: Nov 2008
Posts: 3,808
Likes: 3
From: UK
Default

Fork oil levels measured from top of tube with fork spring removed and leg fully compressed .

  • 600 models..........................120mm(4.7in)
  • 1000h/j models.....................148mm(5.8in)
  • 1000K models onward.............172mm(6.8in)
This is measured with the fork vertical.

May just be easier to add oil a little at a time by trial and error untill you get the 'feel' you want from the front end otherwise you may as well whip 'em off and start the oil filling process from scratch.

Let us know how you get on.
 
Reply
Old Mar 17, 2009 | 09:44 AM
  #8  
WhiteHawk's Avatar
Thread Starter
|
Senior Member
Joined: Dec 2006
Posts: 162
Likes: 0
From: Michigan, USA
Default

I used a little bottle I saved from some 2-stroker oil, it has graduations on it for ounces (up to 7 oz). I know I have 14.0 +/- 0.1 oz in each fork based on that bottle. I pumped it quite a few times when I refilled them yesterday...on the center stand with a big strap on the handle bars to a cross beam rocking her back and forth On the cruise to work on the freeway this morning, the front felt great over the nasty michigan bumps but the rear is almost knocking me off the seat (although I was cruising 75-80 mph, 125kph). Will have to start tuning the rear....
 
Reply
Old Mar 17, 2009 | 10:17 AM
  #9  
hawkwind's Avatar
September 2009 ROTM Winner - Faster than a Speeding ..........
Joined: Nov 2008
Posts: 3,808
Likes: 3
From: UK
Default

The rear is adjustable from the right-hand side I think . Glad to hear you got it sorted
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
dk275
CBR 600F3
1
Jul 4, 2011 07:50 AM
suzuki2903
CBR 600F3
1
Dec 13, 2008 08:03 PM
KingMushroom
CBR 900RR
3
Jun 15, 2007 04:42 PM
ducati_nolan
CBR 600F
1
Apr 27, 2007 03:55 AM
bsujanto
CBR 900RR
2
Oct 6, 2006 01:46 AM




All times are GMT -5. The time now is 12:09 AM.