1981 Honda C70 Passport from United States of America - Comments

24th Sep 2006, 15:23

"Well done, I want five more like it"

What things have gone wrong with the motorcycle?

General comments?

So far I had to replace rear tire because I could see air. I mounted a 3.00 tire and it handles better for it, however before I repaint I'll move the lower left inner fender outboard so the tire can have a truer tracking. The bike for me could use a 4 speed gear set. The auto clutch is fine and does well on those grocery store junket runs.

I weigh 200 lbs and it even surprises me for 4.4 cu inch motor. I think the only thing that can out handle this bike is a P-51 Mustang.

I average about 85 mpg, but if I let off the feed a little it would hit 100 easy.

As far as power goes, maybe a 88cc upgrade and 4 speed gear set, but that's all and new paint. From the beginning I soaked the gasoline tank in acid and filled it with rocks to loosen the rust, then hosed it all out.

Does anyone have the colour codes for Angel Blue?

Bravo Mr. Honda, good job.


26th Sep 2006, 10:10

I have a C90, and after some mods, have got it to 93MPH, so they are tuneable, cheap to do as well.

I would start by banging a 125cc carb on it, then get rid of the air box and design a ram air intake onto a cone filter. This and a Micron exhaust should see you hit 75mph, even on a C70. Mine got a bit shaky, so I welded some extra weight on to the frame.


13th Dec 2006, 12:06

I got mine up to 106.5mph and all I had to do was change the blinker fluid.

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