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Mercury 75 HP OptiMax
Mercury engine reliability-complete piece of crap
We bought a boat with a 2012 mercury 2 stroke 75hp engine, and it has been the biggest waste of money. At 40hr the ignition timing magnet developed fault and had to be c ok completely stripped down to replace, the service centre took 4 weekend diagnose the problem, at 200 hrs the engine has to be overhauled due to ignition problems. At 380hrs th magnets in the flywheel fell of stripping the gears of the starter motor pinion. Changed the flywheel and starter at $1600. At 430hrs the engine ceased and do not want to crank today. Mercury is the b...Read more
iggest piece of black crap ever. I won't buy any mercury anymore despite all the rubbish advertising that it is a good motor. I suggest that people focus on other brand before scraping at the very bottom of the list of Mercury.Similar opinion? Write a review on ieatwords.com.au!
RobertRichmond-Tweed, NSW
- 3 reviews
- 3 likes
Long ownership
I have had the OptiMax on my boost for 6 years not a problem great fuel economy and running costs. Have owned a number of outboards over the years the OptMax outclasses them all, would not hesitate In Purchasing another OptMax on my next boat.
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BigphilHunter Region, NSW
- 2 reviews
- 1 like
Perfect Relibable Safe
Bought new starts first time, no smoke,Tops mind blowing on speed & fuel .Very quite gear change and at idle, eazy use.The price was cheep & so is the survice cost.I was unsure befor I bough for I love Johnson,But now I love OptiMax 75hp [censored word removed] it is fast and I love it 5star plus.
PS. Go for It Im glad I did
Reliable Tops on fuel fast v fast
Warranty too short 5 years free survice would be nice
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Questions & Answers
calin dasked
2015 mercury optimax 75hp its a 4 stroke?
patchasked
I'm thinking off buying a 4.85 aluminum with a 5 year old 75 opti max with 188 hours on it. Can I expect to have any prob. with it ?
1 answer
patch,
I have never had a problem with the engine, just regular services, good fuel and oil are essential, cheap oil will give you issues I only use quicksilver or merc's oil. 188 hours is nothing to what a well maintained outboard will deliver.The engine does not like low crank batteries so make sure that the CCA rating on the battery matches the required CCA rating in the handbook. This does go for all merc's as my son has had battery problems with his 150 4stroke varado supplied batteries were to small, when my boat was new same problem, the small batteries do not like the high CCA that the motor requires.
Hope this helps
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