question about moped fuel-Malaguti

I have a '77 Malaguti Commuter. Anyone have any idea about fuel. I heard one part oil to 50 pts gas. Can anyone elaborate on this? Thanks.

2-cycle mix.

": I have a '77 Malaguti Commuter. Anyone have any idea about fuel. I heard one part oil to 50 pts gas. Can anyone elaborate on this? Thanks.<p>While I'm not familiar with that particular model, most all 2-cycle mopeds do run on a 50:1 mix of gas to oil. Many mopeds even have a mixing cup on the underside of the gas cap for easy mixing (one cap of oil for one quart of gas). The more accurate way is to buy 2-cycle oil in small bottles, each of which is to be mixed with one gallon of gas. Even more accurate is to mix fuel in a large graduated cylinder while maintaining the 50:1 ratio. This is also expressed as a 2% mix. That is, the mixture of 50:1 equates to 2% oil by volume. Hope this helps.<p>Steve."

Re: 2-cycle mix.

"I have heard this ...<br>Classic mopeds of the '70s were made for leaded gas which is no longer available. Today's unleaded fuel contains many additives, oxidisers and other octane stabilisers in lieu of lead that - combined with the spark plug of the wrong heatrange - will foul up the ignition timing. Use regular gas (no premium), and mix it only with special, 100% synthetic 2-stroke oil (like RedLine). As for plugs, most classic mopeds will run well with the BR6HS spark plug from NGK.<p>Also, all documentation I have read, including original manufacturers manual states that 25 parts petrol to 1 part oil (25:1), or 1/3 pint to the gallon.<br>"

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