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Re: Why so many new powerheads?
[Re: fivebites]
#12383194
08/12/17 02:29 PM
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Joined: Dec 2011
Posts: 196
jmo49
Outdoorsman
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Outdoorsman
Joined: Dec 2011
Posts: 196 |
Speed kills, I have had over 10 different bass boats in my life, from 65-250 hp, Johnson, evinrude, Mercury, never lost a power head or lower unit, take care and good maintenance, not concerned about how fast I go., The ole golf pro Harvey Pinnick said one time, the woods are full of big hitters, Boat shops are full of fast boats
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Re: Why so many new powerheads?
[Re: fivebites]
#12383198
08/12/17 02:37 PM
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Joined: Jul 2014
Posts: 4,340
Bobby Milam
TFF Team Angler
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TFF Team Angler
Joined: Jul 2014
Posts: 4,340 |
Think about this, what is the avg price of a new truck or car, around $30k? A new bass boat maybe around $50k? What would happen to an auto maker that had so many engines go bad? People just expect and accept a boat motor going bad then turn around and buy another new boat in a year or two.
Not much incentive to truly build bullet proof motors any more
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Re: Why so many new powerheads?
[Re: fivebites]
#12383214
08/12/17 03:09 PM
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Joined: Apr 2017
Posts: 12,203
tmd11111
TFF Guru
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TFF Guru
Joined: Apr 2017
Posts: 12,203 |
Not nearly as many blow motors out there as people think there are. Not many people post just to say their engine has been just fine. When someone does post that they lost a powerhead then all the keyboard commandos come out of the woodwork to pile on the band wagon. Think about it for a minute. If a large a percentage as people think it is were really blowing up the manufacturers would have gone under long ago.
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Re: Why so many new powerheads?
[Re: fivebites]
#12383235
08/12/17 03:36 PM
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Joined: May 2017
Posts: 136
TrailHand
Outdoorsman
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Outdoorsman
Joined: May 2017
Posts: 136 |
I read all over forums how 2 strokes are made to run at 100% RPM range at all times. Get it up there as fast as you can. I guess all these guys are idiots?
I don't know myself, I've rebuilt one powerhead from the 90's due to the po running it with the oil injector empty. Blew a hole through the crank case. Nasty stuff. But since then that engine has been great for me. Yamaha 175. I like to run about 3000 rpms (30-35 mph) most of the time, then once or twice a trip we'll get it up to 55 and let him run a bit for 5 minutes. That's all the top-end we do. I do mix my own oil on top of the injection though for extra peace of mind, pulling my ratio down to 32:1 if my oil injection is working right.
My father (71) drives the same way and he's still rocking a 175 Johnson from the 1980s, full compression and runs like a greased jet fighter.
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Re: Why so many new powerheads?
[Re: tmd11111]
#12383453
08/12/17 07:16 PM
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Joined: Feb 2005
Posts: 3,585
fivebites
OP
TFF Team Angler
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OP
TFF Team Angler
Joined: Feb 2005
Posts: 3,585 |
TMD 11111, the reason I started this post is from looking at a "newer" boat to buy. I can't really afford a "new" boat so used is the way I'm going. But if you look at a lot of the posts for used boats, a surprisingly larger than expected number of them list a new power head as part of the maintenance. My motor is a 1997 Mariner 225. I've run it fairly hard and (knock on wood) never had to replace the power head. The motor has I'm sure well over 1000 hours and probably closer to 1500. It just surprises me how many seem to have new power heads on them in less than 5 years.
2019 Chevy Tahoe 2018 Basscat Eyra 250 Proxs PB Wife of 32 years! PB Largemouth 9.56 Ray Roberts
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Re: Why so many new powerheads?
[Re: fivebites]
#12383517
08/12/17 08:42 PM
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Joined: Dec 2011
Posts: 6,127
fitter2259
TFF Celebrity
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TFF Celebrity
Joined: Dec 2011
Posts: 6,127 |
The concept of durability by design left outboard manufacturers long ago as it has with most all engineered products bought and sold on the pubic market, sad but true. Its the dirty little secret that all producers of manufactured products engage in but nobody wants to talk about. Outboard manufacturer could easily offer "bullet proof" designs again, but in doing so wouldn't allow them to fully maximize the profitability in parts and repair work etc. that they have come to depend upon as part of their overall profit margin. But at least they offer costly after the sale warranties to offset any miscalculations in their design model......Right. Everybody has a different name for it, the design engineers that I have worked with at CAT have (in closed circles) referred to it as the "pre-determined point of failure". At CAT, as with most top down engine designs, its the heads, valves, pistons/rings, rods, bearings, crank, sleeves, packing and a few other components I don't recall off the top of my head right now. Design a unit to operate right up to that pre-determined sweet spot and your golden, under design it and your into it for early failure costs of parts and labor, over design it and your loosing the profits of potential customer paid costs of parts and labor. The marine industry's model of profitability by design is no different than 100's of other products, and some are better at it than others which explain some of the isolated model issues that crop up from time to time leading to recalls and mid year design corrections. More durable and dependable products aren't likely to hit the open market anytime soon so long as the consumers continue to keep picking up what manufactures are laying down. For the exorbitant prices we pay for products these days we deserve/should exspect better than what we're getting .
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Re: Why so many new powerheads?
[Re: fivebites]
#12383542
08/12/17 09:05 PM
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Joined: Apr 2014
Posts: 908
Jaguar6
Pro Angler
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Pro Angler
Joined: Apr 2014
Posts: 908 |
A lot of guys also run them hard when they first get them after break in and as much as possible before the end of the warranty period. Then they slap a new powerhead while under warranty just to be safe and then they sell em for a new boat... Nothing wrong at all with a boat with a new powerhead depending on maintenance and break down of hours into RPM's
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Re: Why so many new powerheads?
[Re: fivebites]
#12383837
08/13/17 01:20 AM
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Joined: Jul 2007
Posts: 1,170
Mike Zachary
Extreme Angler
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Extreme Angler
Joined: Jul 2007
Posts: 1,170 |
I believe it is running them hard before letting the metal warm up. I know lots of Opti owners that do not have a smartcraft guage. I live and die by mine. Make sure it warms up enough the open the thermostats before any kind of running.
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Re: Why so many new powerheads?
[Re: fivebites]
#12383904
08/13/17 02:27 AM
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Joined: Jan 2007
Posts: 1,249
elkhunter7x6
Extreme Angler
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Extreme Angler
Joined: Jan 2007
Posts: 1,249 |
As usual lots of references to proper maintenance. In reality there is very little maintenance required on a 2stroke besides changing the lower unit oil and water separator filter once a year, new water pump impeller every 2-3 years and spark plugs ever 100-150 hrs or so.
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Re: Why so many new powerheads?
[Re: Jaguar6]
#12383910
08/13/17 02:32 AM
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Joined: Jan 2004
Posts: 72,533
Mark Perry
Super Freak
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Super Freak
Joined: Jan 2004
Posts: 72,533 |
A lot of guys also run them hard when they first get them after break in and as much as possible before the end of the warranty period. Then they slap a new powerhead while under warranty just to be safe and then they sell em for a new boat... Nothing wrong at all with a boat with a new powerhead depending on maintenance and break down of hours into RPM's You are saying guys are purposely blowing them up? Reason I ask is I just can't see a manufacturer swapping a powerhead that is not blown under warranty. Also can't see a guy shelling out $5000 or more to swap one before they sell it.
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Re: Why so many new powerheads?
[Re: Mark Perry]
#12384027
08/13/17 04:25 AM
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Joined: Sep 2012
Posts: 811
bbassfishes
Pro Angler
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Pro Angler
Joined: Sep 2012
Posts: 811 |
A lot of guys also run them hard when they first get them after break in and as much as possible before the end of the warranty period. Then they slap a new powerhead while under warranty just to be safe and then they sell em for a new boat... Nothing wrong at all with a boat with a new powerhead depending on maintenance and break down of hours into RPM's You are saying guys are purposely blowing them up? Reason I ask is I just can't see a manufacturer swapping a powerhead that is not blown under warranty. Also can't see a guy shelling out $5000 or more to swap one before they sell it. I think he was referring to them running them into the ground and busting them, getting a new one put on under the warranty period, and then selling it as a "new" engine.
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Re: Why so many new powerheads?
[Re: ClarkBird]
#12384079
08/13/17 08:13 AM
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Joined: Jan 2011
Posts: 2,568
Devil Horse
Extreme Angler
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Extreme Angler
Joined: Jan 2011
Posts: 2,568 |
People run them trimmed too high and hit a wave and the prop breaks loose and many times there goes the motor. That can be avoidable to a degree if the captain knows how to drive. youre right but a lot dont know
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Re: Why so many new powerheads?
[Re: fivebites]
#12384250
08/13/17 02:53 PM
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Joined: Nov 2002
Posts: 4,439
Gamblinman
TFF Team Angler
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TFF Team Angler
Joined: Nov 2002
Posts: 4,439 |
Bad or old fuel, followed by cheap oil are the two main reasons for outboard failures.
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Re: Why so many new powerheads?
[Re: Mark Perry]
#12384263
08/13/17 03:06 PM
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Joined: Nov 2008
Posts: 7,618
361V
TFF Celebrity
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TFF Celebrity
Joined: Nov 2008
Posts: 7,618 |
A lot of guys also run them hard when they first get them after break in and as much as possible before the end of the warranty period. Then they slap a new powerhead while under warranty just to be safe and then they sell em for a new boat... Nothing wrong at all with a boat with a new powerhead depending on maintenance and break down of hours into RPM's You are saying guys are purposely blowing them up? I think he's referring to the guys that buy Walmart batteries simply because they have a liberal return policy and they return perfectly good batteries right before the warrantee period is up. Hades is full of those people! :-)
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Re: Why so many new powerheads?
[Re: Mark Perry]
#12387054
08/15/17 07:15 PM
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Joined: Apr 2014
Posts: 908
Jaguar6
Pro Angler
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Pro Angler
Joined: Apr 2014
Posts: 908 |
A lot of guys also run them hard when they first get them after break in and as much as possible before the end of the warranty period. Then they slap a new powerhead while under warranty just to be safe and then they sell em for a new boat... Nothing wrong at all with a boat with a new powerhead depending on maintenance and break down of hours into RPM's You are saying guys are purposely blowing them up? Reason I ask is I just can't see a manufacturer swapping a powerhead that is not blown under warranty. Also can't see a guy shelling out $5000 or more to swap one before they sell it. Im not saying they are blowing them up on purpose. I'm saying that while it's under warranty some people aren't as cautious when running. Since it is under warranty run it hard, run it however you want to amd if something happens it's under warranty. Heck I know a guy that purposely ran onto some rocks while under warranty so that he could get a new lower unit/prop put on so he could sell brand new. People do this all the time not just with boats.
Last edited by Jaguar6; 08/15/17 07:16 PM.
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