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Take 3 quarts with filter change
4.5 quarts
oil filter is under the battery, oil drain plug has the number 4 on it toward the back of the engine. The clear lens on the right side of the motor is the oil level check. (MAKE SURE THE BIKE IS UP RIGHT WHEN YOU CHECK IT. NOT ON THE KICK STAND) and the oil fill is to the left of the clear lens oil check. just take the two hex screws out and remove the chrome cover.
remove the right side engine cover
10W 40
The Intruder uses 5.3 US Quarts for an over haul, 4.5 US Quarts with Filter Change, and 3.9 US Quarts for an oil drain with out changing the filter. That is the factory spec.
rt. side sidecover -the rear one with two bolts.the cap is behind it.
There is no dipstick. There is a sight glass on the lower right side of the engine.
Vulcan 1500 is a Kawasaki.
The Intruder 1500 takes between 4 and 4.5 qts with filter change and uses a 10W-40. I was surprised by the weight, but that is what is on the cap. I even verified it with the Suzuki dealership. The Intruder uses 5.3 US Quarts for an over haul, 4.5 US Quarts with Filter Change, and 3.9 US Quarts for an oil drain with out changing the filter. That is the factory spec. Per the Factory Service Manual API Rating SF or SG with a viscosity rating of 10w/40 is the only thing in the book. I've been using Bel Ray V-Twin Full Synthetic in mine for 18,000 (after initial 500) miles but that was my decision and has nothing to do with the factory specs.
It comes on when you need to change the oil.
what kind of oil filter do I need for a 86 susuki intruder 750