Been reading about oils.
Found this helpful......
http://www.nightrider.com/biketech/oiltest1.htm
At 800 miles all, except mobile 1, show significant VI drop.
Another man says he prefers diesel engine oil 20W50 CI-1 plus in his harley.
I like what a person told me here that one must discard after 1000km anyway, cheap or expensive. Expensive only gives extended time but long interval aint good due to dirt added to oil and no oil filter. So its better to use cheap and be regular in changing oil.
I will get 20W50, perhaps diesel engine oil, or any.
Another fellow here rightly told me, "A small injection every month is better than a big injection after six months". I like that quote.
--- In Honda-C70@yahoogroups.com, "A" <ak6666666@...> wrote:
>
> I still cant make up my mind.
> Consider Arizona heat, or better still, Sahara summer heat.
> I'm torn between 10W40 fully synthetic and 20W50 API SM.
>
> When I poured in 20W50 (API SG), it was red. Now it is brown after a thousand km.
>
> 10W40 will save be fuel. My piston is new so it can take the thin oil. But the heat and snail pace.
>
> I can easily get 20W50 in API SF and SM even.
>
> 20W50 SM (or SF) and 10W40 fully synthetic. Cant decide. Cant.
>
> Is an engine flush addative a great idea?
>
>
> --- In Honda-C70@yahoogroups.com, myron andrews <mvandrews13@> wrote:
> >
> >
> > If the plain 30 weight oil is lawn mower oil ,that may be as close to what our c70 used new as we could find now. Baby Huey`s 2 cens
> >
> >
> >
> > To: Honda-C70@yahoogroups.com
> > From: h3ch4@
> > Date: Sat, 23 Apr 2011 14:27:46 +0000
> > Subject: [Honda-C70] Re: Motorcycle Oil
> >
> >
> >
> >
> >
> >
> > I run plain 30 weight on mine. No abnormal effects noticed, except that upon deceleration the clutch whines louder than usual (sort of like what a hybrid sounds like when braking). The original Supercubs from the 50s called for 30 weight, so I don't see any reason why ours can't.
> >
> > I also have mine jetted for E85 rather than gasoline, so no problems with ethanol either.
> >
> > -Herman
> >
> >
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
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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