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TRIUMPH, BSA AND NORTON FLUID CAPACITIES

Model Size (Oil Tank)
Engine Oil
Primary
(20/50)
Transmission oil
(EP80/EP85 or EP90)
Forks
(Each leg)
10W/20W/30W
Triumph 500 3.6 Qts 1/2 Pint 375cc 190cc (1/3 pint)
Pre-1971 Triumph 650 7-5 Pints 5/8 Pints 500cc 190cc (1/3 pint)
1971 up 650/750 4.8 Pints
(Oil frame models)
5/8 pint 500cc 190cc (1/3 pint)
Pre-1971 Trident 750 6  Pints 3/4 Pint 710cc 190cc (1/3 pint)
Pre-1971 BSA 500/650 5 Pints 1/4 Pint 7/8 pint 190cc (1/3 pint)
1971 up BSA 650/750 4.8 Pints
(Oil frame models)
5/8 Pint 500cc 190cc (1/3 pint)
BSA Rocket III   6 Pints 3/4 Pint 710cc 190cc (1/3 pint)
Norton Commando 750 6 Pints 7 oz. 1.2 pints 5 oz.
Norton Atlas   4.5 Pints 4.5 oz 1 pint 5 oz
TECH TIP
Do NOT use car oil in your motorcycle.. You will NOT save money by putting automotive oil in your motorcycle.. While many people  have done just that for many years, it is crazy to do it today.. Research has enable the oil companies to develop motorcycle oils (Spectro, Belray, Kendall etc) that last 2500 to 3000 miles or more in a motorcycle engine. If you use automotive oil in your motorcycle the polymers in that type of oil will be broken down within 800-900 miles..

.Automotive oils are NOT designed for use in air-cooled engines.. If you insist on using an automotive type oil in your motorcycle, you may loosen up debris in the sludge trap that debris may ruin the rod bearing when it starts circulating through the oiling system.

Although, you won't notice the difference right away,  Running worn-out oil will lead to earlier deterioration of vital engine components. The money you think you are saving on cheap oil will end up being spent, plus some on engine service and replacement parts.

TRIUMPH TWIN PRIMARY CHAIN OIL LEVEL

TRIUMPH TWIN PRIMARY CHAIN OIL LEVEL

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