Vintage and Classic Hondas

Speedo Issues!

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1978Cafe750f

Speedo Issues!

Hey guys,

I've got a 78 750F and I know I am going faster than 35mph the only problem my speedometer isn't.

Is it something a new cable could fix or am I now in the market for a new(er) speedometer?

brakes are like your pecker ... if you use it too much you'll screw youself

TOOLS1

Re: Speedo Issues!

Administrator

I doubt it's the cable. Your speedometer is probably corroded inside. Take it out of the housing, and clean it.
TOOLS

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1976 CB 750-A X 2
1977 CB 750-A X 4
1977 CB 750-K
1976 CB 750 F
1981 CB 750
1966 Kawasaki SG 250
1981 KZ 750 LTD
1973 CB 350
1979 CM 185 Twinstar
1982 Honda XL 80
South of Eden (Kansas City MO)

LukeM

Re: Speedo Issues!

Administrator

Isn't there some damping fluid in the housing? I think thr FSM said not to tip them over, or the fluid would leak out. Best to check and be sure.

Luke M

Used to have a 1979 CB750L, sold it as a parts bike, now riding a slightly modified 1984 VT700C. Network/Field Engineer. Central OH, USA, Earth, Sol System, Milky Way Galaxy, Universe.

1978Cafe750f

Re: Speedo Issues!

In reply to this post by 1978Cafe750f

Thanks guys. I will open it up and see what it looks like. As for the fluids inside ... I've been reading you can put in silicone based differential fluid 20k-30k cs ... stuff they use in RC cars and stuff. Anything else you guys have ever used?

brakes are like your pecker ... if you use it too much you'll screw youself