thanks for the info mike. i am going out of town tomorrow for five days. when i getback i plan on ordering a battery from one of your links and probably some bulbs. i will ride when i get back and give it firm shifts. thinkin i am being to gentle. i feel that the bike is super fragile. i am scared to ride hard or anything hard because i find the bike super cool looking and fun to ride. the lady who gave me the bike was running 20w-50 honda oil. that is what i changed it with last sunday also. should i be running 10w-40 instead? take care.
--- In Honda-C70@yahoogroups.com, Mike Gladu <mgladu@...> wrote:
>
> At 12:07 AM +0000 6/1/11, justinsnell82 wrote:
> >changed the oil on the bike tis weekend and drove about 10 miles or
> >less. never went above 35 mph. bike shifts great up, but down at
> >almost stopped, or stopped, it seems it skipping gears. for
> >instance, im in third, shift the lever down once, in first. never
> >rode anything with an auto clutch. was thinking of adjusting the
> >clutch, but need to know how it should shift first. maybe im being
> >to gentle down shifting and not tapping hard enough or to hard.
> >local honda shop said they wouldnt work on it because too old. any
> >help greatly appreciated. take care.
>
> Not an adjustment issue.
>
> The foot lever disengages the manual function of the clutch with the
> same motion as it rotates the shift drum.
>
> The initial motion performs both functions (clutch and shift) at the
> same time, so you have to push or pull the shifter full-throw on
> every shift, whether you tug at it slowly or stab at it firmly.
>
> You can slip or dump the clutch with your foot just like one you
> operate with your hand with a fast or slow release, but the
> transmission still has to have the lever move all the way to the end
> of the throw to get a clean change.
>
> Firm going in is necessary - whatever way you like going out is OK.
>
> If the shift arm shaft has been bent severely, the actuator installed
> improperly, or the limiters inside the transmission broken (damaged
> shift stopper arm), the range the shifter can move inside the
> transmission could be off.
>
> If it goes too far one way or the other, it /could/ move two gears
> with one throw.
>
> Give it a road test with this knowledge in hand.
>
> If that doesn't solve the problem...
>
> Transmission is the same as all the modern Hondas that have the same
> engine, so repairs of the engine out of the bike shouldn't even make
> them worry.
>
> That said, repairs aren't impossible to do at home, but you need a
> special wrench to remove the clutch and get inside. There's a way to
> fabricate one at home, so that's not really a firm barrier.
>
> Cost scenarios? Nothing if you're just not shifting 'right', and I'd
> guess between $50 and $150 or so if you do it yourself and just need
> a new stopper arm (clutch tools, transmission parts, gaskets, oil).
> If something else is damaged inside, you might be in for as much a
> $100 more, but I'm guess you wont need that.
>
> 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
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