Sunday, June 19, 2011

[Honda-C70] Gas leaking from Carb

 

Ok so I got my 81 c70 running. I posted on here earlier about a rusty gas tank and ended up having it repaired at Mac's Radiator shop in Portland for 65 bucks. I have been riding the bike now for about a month? Anyway the day I started it up I had a bad gas leak from the carb drain. I finally figured out that I had the needle set in the top wrong. Anyway I thought this fixed the problem until I brought the bike to Montana and had the same problem with a small trickle of gas leaking. When I returned to OR I haven't had the problem again until today. I topped off the gas and think the extra pressure may be causing it to drip again. What should I look for? It's the 46 dollar Chinese carb from Dratv. I took off the top part and made sure the needle was set in there right. I also hit the carb a couple times with a hammer to loosen something? The only thing I can think of is that I may have put in the old spring from the old carb. I definitely didn't mix up the needles.

Btw thanks for the previous advice! I have had a lot of fun reading through the emails.

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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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