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Mercury Rev4 21P propeller - Balanced and Tuned - Walleye Message Central
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Old 08-29-2009, 04:32 PM
Chadster Chadster is offline
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Join Date: Nov 1999
Location: South Lyon, Michigan, USA.
Posts: 184
Default Mercury Rev4 21P propeller - Balanced and Tuned - SOLD

Prop is in excellent condition. Edges are sharp - no blade damage. I had this prop balanced and tuned by a credible prop shop. This prop would replace a 21 pitch 3 blade, and would lower RPM's by about 200RPM. It will also dramatically improve your hole shot, acceleration, and boat control on rough water. Also improves turning at higher speeds. Impact to top end will likely be a reduction of ~2MPH. If you are running a 23P 3 blade, this should keep your RPM's the same, but improve all of those performance attributes described above. I ran this on my Ranger 620 with a Yamaha 225 4-stroke. It runs out really nice in cooler air when the air density is higher at about 5800 RPM. It is a little too much pitch for hot/humid conditions where it will run about 5600 RPM. This would likely work well on a 250 4-stroke or 225 Merc opti or Evinrude. email me if you have questions.

I can email pics if interested.

$250 - shipping extra

Last edited by Chadster; 09-06-2009 at 07:05 AM. Reason: SOLD
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Old 09-01-2009, 06:45 AM
SLE SLE is offline
Join Date: Jul 2008
Location: Central North Dakota
Posts: 812

I might be interested in the prop. Who did the balence and blue printing?
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Old 09-03-2009, 04:13 PM
outdoorguy1's Avatar
outdoorguy1 outdoorguy1 is offline
Join Date: Dec 2008
Location: Norway,MI (IN DA UP EH)
Posts: 163
Default Rev 4 Prop

PM sent a few days ago. Are you there ??
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