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Old 03-14-2014, 12:40 PM
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CajunChristian CajunChristian is offline
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Join Date: Dec 2011
Location: De Bluff
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Quote:
Originally Posted by keakar View Post

restrictor plate ???

I thought that was just for nascar?

do all 4 stroke motors have restrictor plates?

does my 2002 Suzuki df40 have one?
The tohatsu is a 2 stroke direct injected motor, the 40hp has a restrictor plate on the intake. Just like the 4 cylinder 4 stroke Merc and the 50hp 4 cylinder, 4 stroke merc has a restrictor plate in the intake. Intake restrictors is an old trick used by manufacturers for 25 years Some even use exhaust restrictor plates. Just a small steel plate with a hole drilled in the center, the plate was inserted into the exhaust pipe on some outboards.
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