New oil cooler

Just letting it pump itself through on its own will be fine. Until it gets to a certain temp/pressure will it let it through anyway. If you’ve added an aftermarket cooler which usually have a higher capacity than the OEM cooler be prepared to add more oil after it warms up from a short ride. Don’t worry about it being a little low at first as it won’t be low enough to be of concern. At most, you may get another 1/2 quart in to bring it to the full mark from the original capacity. However, do make sure that before starting the bike you are at the full mark, whether just adding oil to what’s already in the crankcase after the new cooler was added if you didn’t change the oil at the same time or you’re starting with a fresh oil change. Doing so will ensure your oil level is sufficient for the startup with the new cooler until you top it off after the initial warmup.
All the best,


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Spend a couple hundo and get a preluber. Melling MPL-201 Melling Prelube Engine Oiler Tank Kits | Summit Racing

Thats a gamble id never take. Mainly cause i know what it takes to machine proper oil clearances.

Like an oil filter, could you fill the oil cooler up with oil before install ?

craigfer63 said:

Like an oil filter, could you fill the oil cooler up with oil before install ?

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At a minimum that should be done. But being that these things are dino's prelubing the engine is the smartest route.

Save your money. You can prefill the cooler, or replace the cooler, fill the crankcase to the full mark, run it until you feel the inlet to the oil cooler get warm to the touch. Shut it off and let oil drain back into the crankcase, then refill to the full mark. Done.

There is a spring-loaded valve in the oil pan that recirculates oil in the engine until it warms enough to open, then will allow warm oil to flow to the cooler. No damage will occur. Have done this many many times.