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Just sitting here looking for someone to get my boat checked
Just sitting here looking for someone to get my boat checked out. … read more
Ted G.
Ted G.
Rigger, Diagnostician
Vocational, Technical or Trade Scho
3,332 satisfied customers
2003 90hp 4 stroke with newly rebuilt carbs, has a knock in
2003 90hp 4 stroke with newly rebuilt carbs, has a knock in cylinder 4 and compression is 140, other 3 cylinders are 160. Mechanic is trying to tell me needs a complete rebuild, but that doesn't sit r… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
1977 Evinrude 140 hp. I have 3 cylinders at 120-125psi and
1977 Evinrude 140 hp. I have 3 cylinders at 120-125psi and one at 65psi. Pulled the bypass plate off the side of the powerhead and the head off the top of the cylinder and there are 2 visible pinholes… read more
Ted G.
Ted G.
Rigger, Diagnostician
Vocational, Technical or Trade Scho
3,332 satisfied customers
I have a Volvo Penta MD5A single cylinder marine engine. The
I have a Volvo Penta MD5A single cylinder marine engine. The injector pump does not deliver fuel because of insufficient travel from the camshaft lobe. I have noticed the camshaft lobe that operates t… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
Jeff, I recent bought an in line six which having sent
Jeff, I recent bought an in line six which having sent a rod through the block is now useless. Crank is completely gone. The serial number on the leg plate is too corroded to determine the exact model… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
I have 1 2004 Merc 125 Saltwater series outboard. The low
I have 1 2004 Merc 125 Saltwater series outboard. The low oil alarm does not work. My last outing in the boat, I was cruising full speed and the engine shut down. my fuel guage was at E so I thought t… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
Hi, My newly rebuilt Mercury Magnum 454 just scored its main
Hi, My newly rebuilt Mercury Magnum 454 just scored it's main bearings as a result of the crank shaft being incorrectly mounted. The insurance company wants me to have it rebuilt yet again, but my fri… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
1995 Johnson 115 with one low cylinder at 60 lbs all others
1995 Johnson 115 with one low cylinder at 60 lbs all others at 120 lbs. The cylinder walls don't show any wear ring at all and that all piston heads look in great shape!. The bad cylinder has a dip in… read more
K. Kergan
K. Kergan
Inboard/Outboard Mechanic
Vocational, Technical or Trade Scho
1,031 satisfied customers
Hello, I have a Yanmar YSM-12 that I am rebuilding and I am
Hello, I have a Yanmar YSM-12 that I am rebuilding and I am stuck?? I am at the point where I am trying to re-install the piston. I have the engine set at TDC and have the piston rings in a ring clamp… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
I have just finished rebuild of Evinrude 200 Vindicator 1993
I have just finished rebuild of Evinrude 200 Vindicator 1993 model 90 degree looper. Bored one cylinder .030, honed other 5. New pistons, reused piston pin bearings. rod bearings and main bearings. Se… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
I am looking to buy a boat with a cat 3208T with 6000 hours.
I am looking to buy a boat with a cat 3208T with 6000 hours. before the boat was winterized the oil was changed. I was thinking of doing an oil analysis but should it need to be run a bit first before… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
Hi..I have a 1992 johnson 150 hp outboard..m# vj150glenc.I
Hi..I have a 1992 johnson 150 hp outboard..m# XXXXX recently was on the river at around 4000 rpm for about 10 minutes with a heavy load when the slowed down to an idle then stopped..The oil alarm went… read more
shane j forrest
shane j forrest
Vocational, Technical or Trade Scho
270 satisfied customers
think I have an 88 (not sure on yr) XR2 merc 150 outboard.
think I have an 88 (not sure on yr) XR2 merc 150 outboard. ser# starts 66xxxxx. just bought it. wet tested with the seller who had it in the water all warmed up for me. ran well. 50 mph in a light wei… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
This is a puzzler. We are restoring a 1980 410 Commander with
This is a puzzler. We are restoring a 1980 410 Commander with duel 454s. We just installed two new remanufactured long blocks and are at 18 hours in the break-in schedule. The engines have been run as… read more
Dominick
Dominick
Marine Mechanic
Vocational, Technical or Trade Scho
1,009 satisfied customers
I had a mechanic at my marina today tell me that I have no
I had a mechanic at my marina today tell me that I have no compression in cylinder 6 and "erratic" compression in cylinder 2. He is recommending a long block replacement since he does not know the who… read more
Joe
Joe
Owner Kingsland Auto & Marine Services
Vocational, Technical or Trade Scho
1,396 satisfied customers
I have a low hours (around 100) 2000 Merc. 90 hp two stroke
I have a low hours (around 100) 2000 Merc. 90 hp two stroke outboard that's making a loud knocking sound at idle and low rpm's. A local mechanic told me I need to replace a rod and the estimated cost … read more
Larry B.
Larry B.
Marine Service Tech
High School or GED
574 satisfied customers
I own a Whittley Cruisemaster 700 with a 5 L Merc engine that
I own a Whittley Cruisemaster 700 with a 5 L Merc engine that had not been used for a couple of years. Gold Coast RV & Boating Services was making new covers and some hull work and offered to do a ser… read more
Dominick
Dominick
Marine Mechanic
Vocational, Technical or Trade Scho
1,009 satisfied customers
I have a mercruiser 470 circa 1980 which is still in the ...
I have a mercruiser 470 circa 1980 which is still in the boat my dad bought when I was in High School. It has not been in service since 1993 or so, and I''d like to get it running again. Aside from th… read more
Michael
Michael
master marine technician/charter captain
Vocational, Technical or Trade Scho
256 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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