Mine has a bent shaft too; I've been meaning to beat it back into place with a crowbar & a mallet or something, just to make sure that seal holds.
--- In Honda-C70@yahoogroups.com, "BrianW" <brianweber@...> wrote:
>
> 1K miles is fine. Just don't let it get low. And you really shouldn't
> need to add oil once you've topped it off. If you do, then it may be
> time for a top end rebuild. These motors really are bulletproof.
> You've seen the videos of the Brits running the Cub90 on used vegetable
> oil? As long as there is sufficient lubrication, these motors can be
> beat to a pulp and be happy about it. The only other thing that I can
> think of that may damage the motor is laying it down or downshifting
> when at WOT. These are still 'ifs'. I rode the hell out of my Passport
> for years when it had a bent shift shaft and a cracked detent arm.
>
> --- In Honda-C70@yahoogroups.com, "Jean Luc Picard" <atari2600a@>
> wrote:
> >
> > Regular meaning every 1K miles or shorter? I'm actually surprised how
> fast this oil's blackening, either way I really should replace this oil,
> previous owner gave me that specialized vintage honda crap & now the
> clutch slips. Funny story I accidentally put too much in that time &
> sucked roughly .1 quarts out by pinching a straw...
> >
> > --- In Honda-C70@yahoogroups.com, "BrianW" brianweber@ wrote:
> > >
> > > Don't sweat it. The C70 is designed to be ran continuously at WOT.
> > > Just don't let your oil level get low and change it at scheduled
> > > intervals. 88 or 108cc bbk will definitely lessen your stress in
> modern
> > > traffic though.
> > >
> > > --- In Honda-C70@yahoogroups.com, "Jean Luc Picard" <atari2600a@>
> > > wrote:
> > > >
> > > > Sounds crazy but as poor as I am I'm considering installing a new
> oil
> > > pump before a big-bore, since I found in Sacramento traffic I find
> > > myself going full-throttle more often than not. With a high-volume
> oil
> > > filter do I still run a high risk of blowing something out? I mean,
> I
> > > know it's the Honda Cub but still. Anyone here have any experience
> w/
> > > this?
> > > >
> > >
> >
>
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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