Sunday, April 24, 2011

[Honda-C70] Re: Engine won't turn over

 

Hello Bill,

After all of this back & forth, what you & we need to know is what model 50cc Honda you have?

So looking at the frame just above the engine on the left, or elsewhere, there should be a model number? If it is C or CA 100, 102, 105T, 110, 111,... it would be an OHV valve engine and you should see the shop manual here
http://autos.groups.yahoo.com/group/classicpushrodhonda50s/files/Honda%2050-55%20Shop%20Manual/
in the Yahoo classicpushrodhonda50s group. Any parts list would also show pictures of the parts which is helpful.

If on the other hand, you have a C or S 50 65 70 etc. then you are in the right place! ANd we have shop manuals and parts list here too!

The idea is that removing the head of an OHC engine is slightly more 'tricky' than removing the head of an OHV engine!

Generally Hond aput the spark plug on the left on OHVs and on the right on OHCs :) At least on their 90cc singles!

Pictures would help us too :) And whereabouts, generally on the planet are you and the motorcycle?

Ron in NJ

--- In Honda-C70@yahoogroups.com, "Bill" <bangup1@...> wrote:
>
> Can anyone help. I've recommissioning a Honda 50 that has been in a garage untouched for 19 years having done 15k when on the road. It is an automatic and the engine will not turn over using the kick start. I'm wondering if the piston has seized in the cylinder. How do I check for this and does it mean (if so)that a new top end is required? . If I need to take off the cylinder head is there any problem with the cam chain/timing when I put it back.Thanks for any help/suggestions
>

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Recent Activity:
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

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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