RE: [Honda-C70] Used to run and now it won't even start

The fact that it ran better with the choke on a bit points to fuel may not be getting to the carb . Is your gas tank full or not much in it ? If you can see a small pipe near the bottom of the tank ,that is the inlet for the main or ON part of the tank . The handle on the petcock points AWAY from what you select . So you may have thought you tried reserve when you had not. Also you just bought the bike so I assume it may have been hauled to you . If the tank was part full of gas think of the waves splashing on the beach knocking loose rust & gunk to the bottom of the tank. I would recommend taking the petcock loose & draining the tank through the reserve setting on the petcock. Hope this hits your problem . If not check the trouble shooting guides at the bottom of the page for your year bike & get back to us here if you need another opinion . Good Luck ! Baby Huey

To: Honda-C70@yahoogroups.com
From: speterhb@yahoo.com
Date: Sat, 13 Aug 2011 13:36:47 +0000
Subject: [Honda-C70] Used to run and now it won't even start

I just picked up a C70 three days ago from craigslist.
(By the way I think this group is freakin' rad and am way excited to be a part of this)
This is my first attempt at owning/maintaining a bike. When I bought the thing it worked great, took for a nice long test drive and everything was fine. I even drove it around later that evening. Then, on the road it started to sputter in 3rd, so I'd drop down to 2nd and then go back up. That worked for a minute. After that I'd have to choke a little to get it cruising. Eventually, even with the choke on it shut off completely. Now it won't start, I can get it to turn over with the ignition button and the headlight will even start to light up a little. But it doesn't take.
The neutral light is still strong and the starter button still fires - so I don't think its the battery. I pulled out the spark plug and checked that - it still sparks up. I get good pressure in the chamber. The carburetor over-flow line still has good flow. I'm not sure what else to check or if I missed something in my other checks.

Any suggestions?

Thanks

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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

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