Author Topic: Fork Oil types? What do you use in your CB750 K ??  (Read 25747 times)

0 Members and 2 Guests are viewing this topic.

Offline seebee750

  • Vintage Honda Restorations at Crows Cycle Works
  • Enthusiast
  • **
  • Posts: 136
  • CB750 K0,K4,.CB500 K0,K2,CL175 K0 '79 CBX
Fork Oil types? What do you use in your CB750 K ??
« on: May 10, 2009, 05:06:59 pm »
I am sure this has been asked a dozen times and I am sorry I have not yet figured out how to search the forums here.
. What is everyone using for fork oil in Cb750 K models?
The Honda shop manual calls for SAE 10w-30 motor oil. I have heard of people using automatic transmission fluid also.
thanks
They are not all the same!

Nothing is of great value until it is finished.

Offline Gordon

  • Global Moderator
  • Really Old Timer ...
  • *****
  • Posts: 12,114
  • 750K1, 550K2
Re: Fork Oil types? What do you use in your CB750 K ??
« Reply #1 on: May 10, 2009, 05:07:59 pm »
I use Fork Oil. 

Offline Jerry Rxman Griffin aka MuthaF'er

  • This MuthaF'er is getting to be a
  • Really Old Timer ...
  • *******
  • Posts: 14,898
  • Bought her new 4/75
Re: Fork Oil types? What do you use in your CB750 K ??
« Reply #2 on: May 10, 2009, 05:13:13 pm »
I've used all 3. They all work. Right now I have 20W fork oil and it sure was stiff on a cold day yesterday.
As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline Duke McDukiedook

  • Space Force 6 Star General
  • Really Old Timer ...
  • *******
  • Posts: 12,690
  • Wish? Did somebody say wish?
Re: Fork Oil types? What do you use in your CB750 K ??
« Reply #3 on: May 10, 2009, 05:21:32 pm »
Type in something like "Fork Oil" in the upper right of your screen and voila!
Results fantastique!

Be sure you are in the home or sohc tech section when you search though.

Some people use ATF and some use fork oil. Use what makes sense to you.
"Well, Mr. Carpetbagger. We got somethin' in this territory called the Missouri boat ride."   Josey Wales

"It's Baltimore, gentlemen. The gods will not save you." Ervin Burrell

CB750 K3 crat | (2) 1986 VFR750F

Offline Johnny5

  • Master
  • *****
  • Posts: 1,593
    • CB350F build thread
Re: Fork Oil types? What do you use in your CB750 K ??
« Reply #4 on: May 10, 2009, 05:31:08 pm »
I used what the manual called for, 10w-30 and my bike rides fine.
www.kerosenecycles.com
1971 CB350
1973 CB350F
2006 Harley Springer Classic

Offline Johnie

  • Really Old Timer ...
  • *******
  • Posts: 8,599
Re: Fork Oil types? What do you use in your CB750 K ??
« Reply #5 on: May 10, 2009, 05:42:45 pm »
I used what the manual called for, 10w-30 and my bike rides fine.

Same here...per the manual, 10w30 in my KO & K1.  Both ride and handle fine.
« Last Edit: May 11, 2009, 04:52:00 am by Johnie »
1970 CB750K0 - Candy Ruby Red
1973 CB750K3 - Candy Bacchus Olive or Sunflake Orange
1970 Chevy Chevelle SS396 - Cortez Silver
1976 GL1000 Sulphur Yellow

Oshkosh, WI  USA

Offline jkot55

  • Wingman55
  • Full Member
  • *
  • Posts: 97
Re: Fork Oil types? What do you use in your CB750 K ??
« Reply #6 on: May 10, 2009, 07:11:06 pm »
BelRay 10w fork oil works good.  Using a 10w-30 in a fork is like using a straight 10w because the second number refers to the acting-weight/viscosity at engine operating temps.  The forks do not appreciably heat the oil so it just acts like the base-weight oil (e.g. the 10w in a 10w-30 oil).   Did they have special fork oils back in the day?
When I ride my CB750 I'm a teenager again

Offline Clyde

  • Hot Shot
  • ***
  • Posts: 474
Re: Fork Oil types? What do you use in your CB750 K ??
« Reply #7 on: May 10, 2009, 07:39:22 pm »
Fork Oil 15W
SOHC4 #1909
Honda CB750 K0(original and unrestored), K1(in pieces), K2(restored), F1(restored), 76 750a (awaiting restoration), 1966 Honda CB72
Suzuki GT750 1972 (restored), Kawasaki Z1 1973 (restored)

fuzzybutt

  • Guest
Re: Fork Oil types? What do you use in your CB750 K ??
« Reply #8 on: May 10, 2009, 08:59:10 pm »
30wt fork oil, because it's what i had the last time ihad the forks apart

Offline torrinh

  • If you don't ride in the rain, you don't ride.
  • Enthusiast
  • **
  • Posts: 129
Re: Fork Oil types? What do you use in your CB750 K ??
« Reply #9 on: May 10, 2009, 09:56:17 pm »
Belray 10w fork oil in my K8
1983 Kawasaki GPZ 750
1978 Honda CB750K w/ 1976 CB750F1 motor
1979 Suzuki GS550L

ev0lution7

  • Guest
Re: Fork Oil types? What do you use in your CB750 K ??
« Reply #10 on: May 10, 2009, 11:37:01 pm »
fork oil is a personal thing... kinda like shoes ;)

what feels good to some doesnt feel good to others!!!

i personaly use 10W its a little soft but it doesnt hydro lock as easy... but ridding 2UP it deffinetly needs something thicker (15w or 20w)

what i would do is get some 10w, 15w, 20w  get a graduated cyclender and try the 10w! put about 50 miles on it! then drain and do the same with 15w.... ect... then see which one you like best... ALSO make sure your front spings are good mine were saggy and i replaced them with progressive springs from DYNOMAN.net once you find the right oil.. toss the others out ;) :) and buy some extra oil of the Weight you like and at the beggining of the season change out the fork oil :)

happy dampening ;)