thanks for the help, i'm just checked speedo gear(despite having to be at work in 6 hours) and the tabs are flat, but so are the ones on dratv.com. going to take a look at his tomorrow and put my tire on -see what happens.
--- In Honda-C70@yahoogroups.com, Mike Gladu <mgladu@...> wrote:
>
> > > To: Honda-C70@yahoogroups.com
> >> From: flameworks@
> >> Date: Tue, 5 Jun 2012 07:10:51 +0000
> > > Subject: [Honda-C70] Re: help -wheel spacing '80 passport
> > >
> > > > Hello everybody-
> >>
> > > > My name is Ryan and I have been bringing a 1980 passport back
> >to life. I ordered new tires for it and ran into a problem with the
> >front,after mounting the front wheel back on, the tire rubs on the
> >fender, the wheel appars to be about 1/4 inch from center. i have
> >the 200 page service manual and the parts manual, it appears i'm not
> >missing anything, there is just one spacer on the nopn brake sideof
> >the hub. i have compared it to a friends '80 and it seems identical.
> >I have been stumped for 2 days, there doesn't seem to be anything to
> >adjust- I am not sure how to proceed, this is the only thing
> >preventing a test ride!
>
> > > i have about 26mm between the rim and left fork and about
> >20mm between rim and right fork. forks are parallel. rubs on right
> >side of fender down low. taken apart a few times- all seems
> >good,rims spins true. hmmmm
> >
> >with the axle nut all the way loose it rubs on right side
> >fender.easy to see when ur looking at it, 1/4"towards the brake
> >side. everything seems aligned, wheel is just not in the middle
>
> I'm also of the opinion that the speedometer gear isn't in place as
> it should be. This would allow the open or brake side of the hub to
> sit too far to the right.
>
> Otherwise, it would have to be a too long spacer on the left, a
> damaged fork, a bearing too thin or not pressed in all the way, or
> spokes adjusted with too much dish in the wheel. The last one being
> the least likely.
>
> If you have a friend with a matching bike, and your spacer is
> identical in both physical length and 'height' (coming out of the
> hub) in comparison - why not trade wheels temporarily?
>
> While you have the wheel off, look inside the brake panel for the
> speedo gear and make sure the ring-like gear is set in place, and
> there are two 1/4 inch tabs sticking straight up out of it.
>
> The two tabs shouldn't be folded over or missing.
>
> The two tabs fit into two slots/recesses in the end of the bearing
> structure on the hub.
>
> When the wheel is in place and the tabs and slots linked, the hub
> turns the gear, which turns the speedo cable drive, which turns the
> cable. A test of a working system would also include a moving cable
> or working speedo. Of course, if the wheel won't turn...
>
> Bent forks and tweaked suspension arms are also possible, but if the
> bike rolled recently, the likelihood of damage decreases immensely.
>
> Good luck.
>
> Mike G.
> -
>
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
