Thursday, June 2, 2011

[Honda-C70] Dead Speedometer

 

So my speedo is kaput, it did a whole lot of whining before going, now the needle just jiggles around in place or side-to-side or is stuck anywhere on the dial, and is either totally silent or whining like a dropped newborn. I've given up on it and ordered a used one on ebay

Now my question is, since I'm replacing my engine with a 140cc Lifan clone, would the excess speed break the new speedo? I think someone on this group told me that my speedo had corrosion in it which was why it would whine and rap up to 55mph whenever I started riding from zero.

Also, I have Michelin Gazelles on my bike, 2.5 front and 2.75 rear. Would the larger tires have any effect on the speedometer reading?

I think it would make it read as going slower than reality, but I figure I'd ask to make sure.

Thanks!

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Recent Activity:
C70 Passport Not Running Right?
1970-73 C70 Honda Service Manual: http://tinyurl.com/6ebwtw
1970-73 C70 Troubleshooting Guide:
http://tinyurl.com/6ebwtw (scroll to sec.7.1 page 101.jpg)
1980-83 C70 Honda Service Manual: http://tinyurl.com/hu42c
1980-81 C70 Troubleshooting Guide:
http://tinyurl.com/hu42c (scroll to sec.18-1 page 170.jpg)
1982-83 C70 Troubleshooting Guide:
http://tinyurl.com/hu42c (scroll to sec. 20-28 page 205.jpg)

1980-81 C70 Maintenance Schedule: http://tinyurl.com/z4zn6
1982-83 C70 Maintenance Schedule: http://tinyurl.com/hw35c

More resources for C70 Passports and Cubs:
http://www.shlaes.com/Vehicles/Scooter.htm
http://www.velodrome.com/HondaC70/HondaC70.html
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