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 Post subject: Oil pumps
PostPosted: Tue Mar 21, 2017 10:43 am 
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Joined: Tue Mar 18, 2014 10:03 am
Posts: 359
Good morning...
Would anyone know which oil pump gear matches a thirty tooth primary drive gear? I was putting a new set of straight cut gears into a 600tl engine and discovered the oil pump gear I have didn't match the drive gear on the primary. To be honest, I had no idea the oil pumps had different number, size and shaped teeth. I have three pumps and none of the gears are the same. So if you know other tooth number combinations, that information would be helpful as well.
Regards...
Flattop


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 Post subject: Re: Oil pumps
PostPosted: Tue Mar 21, 2017 2:22 pm 
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Joined: Thu Oct 14, 2010 11:23 am
Posts: 1802
Pantah/early F1: 44 pump/22 small primary back side; don't have primary/clutch (wet) combo at hand

Later F1, Paso, 750 Sports and 750 SS: 58 pump/30 primary; primary/clutch gear combo is 71/36 on first three, different on 750SS wet clutch models.

Mid-90s various models: 53/34; primary/clutch gear combo is 62/31

Current: 40/25; primary/clutch gear combo is 59/32

There are more primary/clutch combos. And I have a 43-tooth oil pump gear that goes with something.

See the recent thread in F1 General section on using modern primaries and oil pumps.

MikeV


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 Post subject: Re: Oil pumps
PostPosted: Wed Mar 22, 2017 11:45 am 
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Joined: Tue Mar 18, 2014 10:03 am
Posts: 359
Mr. Vogt...
Once again I find myself in your debt.
Thank you.
Best Regards...
Flattop


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