I had the 20 mm carb flod out my engine on the lower end of the power band ran good on top end the bike was a CT 70 Thomas 50cc
--- On Fri, 8/5/11, william belleau <wjbelleau@yahoo.com> wrote:
From: william belleau <wjbelleau@yahoo.com>
Subject: Re: [Honda-C70] BBK, power distrobution
To: "Honda-C70@yahoogroups.com" <Honda-C70@yahoogroups.com>
Date: Friday, August 5, 2011, 8:56 PM
I believe it will broaden the chart out.
A change in the sprokets changes the rpm of the engine in relationship to the speed of the bike.
sooner or later the bike will hit the top speed due to wind resistance. If you change the gearing and the
RPM is outside of the power band the bike might even go slower at top end.
Bill
Portland OR
From: Jean Luc Picard <atari2600a@yahoo.com>
To: Honda-C70@yahoogroups.com
Sent: Friday, August 5, 2011 8:09 PM
Subject: [Honda-C70] BBK, power distrobution
So as displacement increases, do all powerbands stretch out 20% equally or will it only apply to the low or top end? How about with a 17t countershaft sprocket? Both under the assumption of a larger ~20mm carb.
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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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