with the magnet drain plugs ive tried 3 brands from tall to short all have fit in mine
search on e bay if you can for yamaha zuma 125 scooter drain plug
thats what im using now its a tall silver one with safety wire holes in the nut
works fine
there is alos other places on e bay that sells the short types for a zuma 125 scooter
also honda ruckus, lifan 125 engines all use that same drain plug I can verify that myself at least on my 81 c70 engine they all fit
--- In Honda-C70@yahoogroups.com, "Ali Khan" <ak6666666@...> wrote:
>
> After getting new rings, piston (#150, the largest size), crank shaft bearings, con rod and new oil, I took out oil every 200 km (first drain at 100km) and filtered the oil and reused it.
> 1000 km running in done and completed. Good compression. Bike engine must be so happy on getting clean filtered oil every 200 so km. Found grit in oil at first 100 km change.
> I have two white paper filters, one thin, one a bit thicker. Each is placed in a funnel over a plastic bottle. Bad oil passes first through thin filter. Then its passed through the thicker paper filter. Whole process takes over one day, about two days. I need to change filters when flow becomes too slow. The filter paper I found cheap A2 sheets (5 sheets per dollar) and I cut it into A4 sheets, folded it and placed in the plastic funnel.
> By going this filtering, I can use oil (20w50 and straight 50) for more than 1000km, maybe 2000km (by adding a dash of stp).
>
> Funnels are covered by polythene to stop dust from falling into oil.
>
> I feel proud of myself.
>
> Im still thinking of putting magnet on drain plug but it has not worked so far. Magnet is too large for the plug even after some grinding of magnet.
>
> Ali Khan
> Lahore, Pakistan
> 45 degrees C (114F) in heavy snail pace traffic
>
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
