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#11
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I wonder if your throttle cables have come out of adjustment?...
__________________
'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha 
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#12
09-15-2011, 07:25 AM
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Congrats on the new ride!
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*************************************** Stay Safe!  Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke. 1995 Ranger 250C with a 2015 Suzuki 300 hp 4-stroke.
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#13
09-15-2011, 07:50 AM
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It was turning 4500 and only going 11 or 12 mph?......spun prop hub maybe?
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1986 V-20 1986 Yamaha 150 HP
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#14
09-15-2011, 08:10 AM
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RW - as many times as that has happened to me (spun hub) you'd think I'd have thought of it first! Rick - he may be onto something. I don't know about a 130 for sure but a 150 at 4500 is gonna plane very quickly and run up into the mid to upper thirties. When you can, take the prop off and inspect the rubber around the prop hub. If it is spun you'll be able to tell most likely. It'll have little bits of chewed up/burned up rubber. If you can't tell by looking you can mark it, then run it, check again to see if it is slipping. This happened to Garrett not even 6 months ago with his little 15 hp. Could still get it to plane but it hub was slippin like crazy.
Good call RW. Reel, thought about that too. Still could be that? We'll figure this out one way or another.
__________________
 1994 Wellcraft V21 Last edited by Blue_Runner; 09-15-2011 at 08:39 AM.
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#16
09-20-2011, 09:57 AM
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Update from the weekend:
REH was able to mark the prop and take her for a spin Saturday. Yep, prop was SLIPPIN!! Thanks RW! He was able to get another prop, same pitch and diameter - 13 x 17. Took it for another spin. Vast improvement. Turned 5100 RPMs. Much quicker outta the hole but still has an issue with WOT. No GPS aboard but guage said around 18mph. First, I don't trust the speed guage attached to the motor, tho it may very well be correct. Second, the boat sat in the water for a while and has quite a bit of barnacle growth on the hull. Based on everything we've read, this could slow you down quite considerably - which makes a lot of sense (I've never kept one in the water long enough to know firsthand). I'm thinking this: get that bottom scraped smooth and try it out. Take along the handheld GPS. If speed is still an issue, start looking at prop pitch and diameter. Thoughts? p.s. I have not seen or ridden in the boat. I am over 200 miles away so everything I'm relating is 2nd hand info so Rick, feel free to correct me where I may have misquoted you!
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1994 Wellcraft V21
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#17
09-20-2011, 07:07 PM
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does it have bottom paint on it? make sure to get that hull clean
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#18
09-21-2011, 07:09 AM
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Yes, bottom paint. Don't know how many coats? What I've read about the barnacles says they're a lot easier to remove if you don't let them dry.
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1994 Wellcraft V21
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#19
09-21-2011, 07:17 PM
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Quote:
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#20
09-21-2011, 08:25 PM
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when you haul it out, grab a scrub brush and a pressure washer and go to it
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Linear Mode
