Topic: 750F Questions

[smccloud]

Whas there ever a CB750F with a rear disc and wire wheels?  i'd love to put a rear disc on my '72 K, but i kinda want to keep my wire wheels.  i know i will have to do welding (or have my dad or a friend do it for me) to get the master cylinder/seservoir/etc mounted.  first bike i rode had a disc and i still cannot get used to the pedal moving under my foot from my drum brake.

if there was no F with a wire wheel, would it be possible to convert my drum to a hydraulically actuated drum so i don't feel the pedal moving?  i do have the master cylinder, reservoir, linkage of a yamaha xs650 special II that i could use for that project.  i'm guessing i could use the slave cylinder from a car with a stick to run the rear brake, or is it just not feasible?

[starion88esir]

I know the 76 CB750F's come with the spoke rim and disc brake.

[cben750f0]

my '77 has a wire wheel and disc rear also.....( i think it was the last of the 76's plated for 77...*shrug*)


peace

[HondaMan]

You can also convert the brake rod to a rear brake cable. This will take away that "bouncy" feeling. This is common on roadracers of old and dirt bikes, for that reason. The rod was cheaper to build...also, a full-floating backing plate will work: this would require a new brake arm to replace the one your rear wheel has now. Bolt the arm to the frame, on a mounting of your own, near the brake pedal pivot. Either method accomplishes the same "feel", without the loss of braking from water or chain lube on the rear disc.

[Clyde]

Several years ago I converted a K2 to rear disc brake using the wire wheel and swing arm from a 76F1. Everything fitted perfectly, and I made a bracket up for the master cylinder which was from a VF750.
Regds Clyde

[adams77]

Kinda pricey but for those who dont fabricate well

http://cyclexchange.net/Wheel%20Page.htm

[smccloud]

You can also convert the brake rod to a rear brake cable. This will take away that "bouncy" feeling. This is common on roadracers of old and dirt bikes, for that reason. The rod was cheaper to build...also, a full-floating backing plate will work: this would require a new brake arm to replace the one your rear wheel has now. Bolt the arm to the frame, on a mounting of your own, near the brake pedal pivot. Either method accomplishes the same "feel", without the loss of braking from water or chain lube on the rear disc.

what do you recommend for a cable?  i may just go that route, although i would love to put dual front discs on mine.  i have been thinking about converting it to a hydraulic rear drum just because i can.

Kinda pricey but for those who dont fabricate well

http://cyclexchange.net/Wheel%20Page.htm

fabrication is fun, i have access to a welder and quite a bit of steel.

speaking of cycle exchange, how are their 850cc big bore kits?  i know i will need new rings this winter when i rebuild my engine, and if i need pistons i might as well put an 836/850 kit in and they list theirs at $250.

my bike should be fun next summer since an ex-coworker of mine (current co-worker of my dad) is going to help me out, and he builds race kart engines

[Jerry Rxman Griffin aka MuthaF'er]

75F & 76F US version (as well as Ben's late OZ model or perhaps general export to the UK) had the spokes and disc rear.

[smccloud]

75F & 76F US version (as well as Ben's late OZ model or perhaps general export to the UK) had the spokes and disc rear.

ok, i should have no problem finding a rear wheel like i want then.  i think i will probably try the cable method for now though, need to save $$$ for parts...........

[Helo229]

I've got a '76F with rear rotor and spokes. I'm heading to a few cycle salvage yards towards the end of the month to try and find a few items, if you're still in the market let me know and I'll keep my eyes open. Or you could just give me a pair of comstars and I'll let you have my spokes since you're so hooked on the aesthetics of it 

[smccloud]

I've got a '76F with rear rotor and spokes. I'm heading to a few cycle salvage yards towards the end of the month to try and find a few items, if you're still in the market let me know and I'll keep my eyes open. Or you could just give me a pair of comstars and I'll let you have my spokes since you're so hooked on the aesthetics of it 

only comstars i have access to are my dad's.  just keep your eyes open for an f wheel with rotor caliper, etc; or a k wheel with good spokes.  i had two break on my last ride 

i'd also like the items needed to add a second front disc to my bike

[smccloud]

well, it looks like i might get comstars since i guess my dad happens to have a spare front one and it would probably cost less to get a rear one than to respoke both front and rear wheels