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I just bought a 2002 Optimax 135 motor. I want a spare prop
I just bought a 2002 Optimax 135 motor. I want a spare prop for it. My old motor was a Force 120. I have 2 props left over from it. One is 13x19 and the other is 13.25x17. If I get the correct hub kit… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
I have a 2000 Hewes Bonefisher 18 powered by a 1999 Yamaha
I have a 2000 Hewes Bonefisher 18 powered by a 1999 Yamaha 130. WOT is 4700 rpm and hole shot is poor. Thinking it is the prop which is a 3 blade SS 13.25x19. The prop is probably ten years old, decen… read more
Ted G.
Ted G.
Rigger, Diagnostician
Vocational, Technical or Trade Scho
3,332 satisfied customers
Was looking guidance on my mercruiser 6.2 l serial
Hi was looking for some guidance on my mercruiser 6.2 l serial # ***** Engine runs fine but doesn't get past 3900 tons at wot Ran scan tool at idle and under power on the water at wot. Have data, but … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
I have 1998 mercury 50hp four-stroke tiller handle. what is
i have 1998 mercury 50hp four-stroke tiller handle. what is the operating range in rpm's @ wot… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
I have a 1993 Force 90hp. What is the best RPM to run at WOT?
I have a 1993 Force 90hp. What is the best RPM to run at WOT? I am looking at the prop to make I have the best choice on it. Currently running at 5000 RPMs.… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
We bent our propeller and have since replaced it with a Michigan
We bent our propeller and have since replaced it with a Michigan Wheel Vortex. The engine on the boat was running fine with the bent propeller but since we have put on the new one the performance has … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
I have 2003 Johnson 90 horse that never gets to operating temp.
I have 2003 Johnson 90 horse that never gets to operating temp. I suspect the thermostats have been removed or non operational it runs around 120 deg. Maybe 130 when in 5mph zones however the motor wo… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
have a 01 volvo 3.0 on a 18 bowrider wide open will only do
have a 01 volvo 3.0 on a 18 bowrider wide open will only do 4200 rpms with a 19 or a 17 pitch prop. seems low… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
first time boat owner. I replaced the old prop 13x19 with new
first time boat owner. I replaced the old prop 13x19 with new and I am now having problems planing out. 1994 force 120hp is fine when driving slow but when planing out the rpms get really high and fee… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
mercruiser 3.0 l I have a bayliner 3270 wqith new mercruisers
I have a bayliner 3270 wqith new mercruisers 3.0L 4 cylinder with ZF 45A 2.0:1 transmissions, What would be the most efficient and with the best power output, that is the prop size and the pitch… read more
Captain Dave
Captain Dave
Charter Captain & I.S. Director
Master's Degree
2,808 satisfied customers
I have a 1993 Crownline 21 ft cuddy with a 5.0L Alpha One MerCruiser
I have a 1993 Crownline 21 ft cuddy with a 5.0L Alpha One MerCruiser I/O engine. I need to know the recommended rpm range at full throttle. I then need to figure out the best pitch prop for this engin… read more
Captain Dave
Captain Dave
Charter Captain & I.S. Director
Master's Degree
2,808 satisfied customers
I have a 115hp merc outboard direct inject optimax 2009 model cant
I have a 115hp merc outboard direct inject optimax 2009 model:: cant reach top rpm as spec says of 5700,, think its prop problem,, i have type have 13x19 pitch cabella's stainless,, reaching about 520… read more
Outboard Guy
Outboard Guy
Vocational, Technical or Trade Scho
66 satisfied customers
I recently purchased a new skeeter bass boat zx200 series with
I recently purchased a new skeeter bass boat zx200 series with the withthe vmax 2 stroke 200 motor in Orlando. I"m shipping the boat to New Mexico altitude is approximately 4500 feet. Do I need a diff… read more
Captain Dave
Captain Dave
Charter Captain & I.S. Director
Master's Degree
2,808 satisfied customers
I have a 1998 Hurricane 228 fundeck with a 115 HP 2-stroke
I have a 1998 Hurricane 228 fundeck with a 115 HP 2-stroke Yamaha C115TLRX. What is the proper prop pitch size?… read more
Captain Dave
Captain Dave
Charter Captain & I.S. Director
Master's Degree
2,808 satisfied customers
I have a 16 Galaxy bowrider (1980) with a 3.0L mercruiser
I have a 16' Galaxy bowrider (1980) with a 3.0L mercruiser 120hp I/O, Mercruiser outdrive (not the bravo or alpha). Recently changed props after the 14"x19pitch would only get me to 28 or 29 mph at 51… read more
Andy
Andy
Marine Repair Technician
Vocational, Technical or Trade Scho
16 satisfied customers
I have a 20 ft pontoon boat that came with a 40 hp mercury/force.
I have a 20 ft pontoon boat that came with a 40 hp mercury/force. I swapt the motor with a 120 hp elpt mercury/force with a 21 pitch prop. Its a dog. What is the right prop?… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
I have a 2008 90 HP E-TEC and I bent the prop. Prop is 14x9
I have a 2008 90 HP E-TEC and I bent the prop. Prop is 14x9 and seems small. I use a lot of fuel and do not run it hard at all. First is this a small prop and could I get better fuel efficiency by goi… read more
Captain Dave
Captain Dave
Charter Captain & I.S. Director
Master's Degree
2,808 satisfied customers
hi,i bought a 1988 bayliner trophy 21 ft. it had a 4.3 from
hi,i bought a 1988 bayliner trophy 21 ft. it had a 4.3 from fact. a 5.7 was put in 2004, the leg had to be rebuilt in 2006, was this from to much torque from the 5.7 or is it the same leg as the 4.3?… read more
Dominick
Dominick
Marine Mechanic
Vocational, Technical or Trade Scho
1,009 satisfied customers
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Meet the Experts:

Ted G.

Ted G.

Rigger, Diagnostician

3,332 satisfied customers

40 years boating, Safe boating instruct., Offshore Race promoter, Failure Analysis, Expert Witness

Dominick

Dominick

Marine Mechanic

1,009 satisfied customers

25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified

John White

John White

Marine Mechanic

306 satisfied customers

11 years experience working on outboards, inboards, sterndrives & pwcs

Jason

Jason

Marine Mechanic

22,804 satisfied customers

Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

MerCruiser Certified Technician

11,409 satisfied customers

40 yrs. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician.

Jeff G.

Jeff G.

Marine Mechanic

4,730 satisfied customers

42 years experience, Certified Master Technician, All Major Outboards, Sterndrives, Hi-Performance

Noel Schembri

Noel Schembri

Marine Mechanic

2,759 satisfied customers

Advanced technical diploma

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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