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Old 05 September 2007, 15:00   #1
Country: UK - England
Town: Gatwick
Boat name: Max Power
Make: Cobra 7.5
Length: 7m +
Engine: Mercury Optimax 225
Join Date: Jul 2007
Posts: 29
Need Advice

Just bought a RIB with a 2005 225 Mercury Optimax.

I am totally new to boating and need some advice on engine maintenance.

What should I be doing & when?

I've seen on these threads about flushing engines with water, should I be doing that?

Any advice would be most welcome.


MAHA is offline   Reply With Quote
Old 05 September 2007, 18:04   #2
Country: Australia
Town: Melbourne
Make: Vipermax
Length: 5m +
Engine: Suzuki DF140
Join Date: Jul 2006
Posts: 181
Well yes - flush if you can. Opions will vary as to how often you must do it and how much sleep to lose if you don't. I try to flush every use, but don't worry too much if I can't on occasions.

Heaps of previous threads on this topic, do a seach on "flushing engines".

Apherel is offline   Reply With Quote
Old 05 September 2007, 18:25   #3
Country: Other
Town: Oakley
Boat name: Zerstörer
Make: Ribcraft
Length: 5m +
Engine: Suzuki DF 140
MMSI: 235050131
Join Date: Jun 2003
Posts: 3,931
Maybe you should have started with something smaller. 'Only Kidding Lucky You.'

Are you really totally new to boating ? If so welcome and enjoy. Thats a nice engine you've got which should have no problem going anywhere. Go back to the dealer and get him to tell you what to do. Read the manual and get it serviced as required.
Biggles is offline   Reply With Quote
Old 06 September 2007, 03:15   #4
Country: UK - England
Town: New Forest
Boat name: Charlie Brown
Make: Scorpion
Length: 8m +
Engine: 275 Verado
MMSI: 235069179
Join Date: Oct 2004
Posts: 1,082
Send a message via MSN to Zippy
the optis have a download facility for engine data and hours. you may also be able to get information from the smart craft gauges. most engineers should be able to download and give you print out including any fault codes.

by getting the history of any faults will give you some information but generally these are good motors! expecially that age as they will have sorted teh initial teething problems.

Make sure your fuel filter is in tip top condition to keep water out as this will bugger it big time!!

Great engine. fantastic power and response and i personally love the noise! make sure you use the correct oil (im not going to start that debate again)
Zippy is offline   Reply With Quote
Old 06 September 2007, 06:28   #5
Country: Sweden
Town: Stockholm
Make: KR7
Length: 7m +
Engine: Evinrude 150 H.O
Join Date: Aug 2005
Posts: 735
Do you have any pics on you boat?
joakimhansson is offline   Reply With Quote

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