Others say I need oil formulated especially for transmissions to GL4 - but not GL5 - specifications.
Spotted this at the local Walmart. Would it be satisfactory?
Transmission oil one more time...
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railfancwb
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Currently running a 1980 Vespa P200e and need to change transmission oil. I have received a range of responses as to what I need. Most say that 30 weight engine oil and 90 weight transmission oil are the same viscosity. If that is true I suppose I could use the 30 weight two cycle oil I mix with gasoline. Is that a reasonable supposition?
Others say I need oil formulated especially for transmissions to GL4 - but not GL5 - specifications.
Spotted this at the local Walmart. Would it be satisfactory?
Others say I need oil formulated especially for transmissions to GL4 - but not GL5 - specifications.
Spotted this at the local Walmart. Would it be satisfactory?
Ive no idea about the oil in your pic but I have used straight sae 30 in all my geared scooters for 30 years lambrettas vespas and lmls never had any noticeable problem with wear or clutch slip
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EddieStone
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I'd go for an automotive oil rather than a marine one. Marine gearboxes run at significantly lower temperatures and often have to deal with being mixed with water.
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Nerdy Norm
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Any SAE30 oil will do. Look in the garden tools section, it's the same oil used for lawnmowers. Plenty available on Amazon:
https://www.amazon.com/s/ref=nb_sb_noss ... =sae30+oil
https://www.amazon.com/s/ref=nb_sb_noss ... =sae30+oil
Lambretta LI125 Series 2, Lambretta LI150 Series 3, Lambretta J100 Cento, LML Star 150 2T