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Forum: Engines & props

05 November 2013, 17:02

Replies: 9

Optimax 225, 2004 surging at high revs

Views: 10,142

Posted By Portholme

That's interesting. There's less than 200 hours...

That's interesting. There's less than 200 hours on the engine but the rubbers were pretty nasty, virtually lost all elasticity. For the cost I will probably replace annually.

Forum: Engines & props

28 October 2013, 07:15

Replies: 9

Optimax 225, 2004 surging at high revs

Views: 10,142

Posted By Portholme

As described earlier, all pipes, filters and...

As described earlier, all pipes, filters and plugs replaced. Low pressure pump kit put in and new plugs and it ran perfectly. Challenge this weekend was finding smooth water to get to wot!

Forum: Engines & props

22 October 2013, 20:56

Replies: 9

Optimax 225, 2004 surging at high revs

Views: 10,142

Posted By Portholme

Thanks guys. I've decided to replace all fuel...

Thanks guys. I've decided to replace all fuel hoses, bulb, water seperator, vst filter and low pressure pump diaphragms. May sounds over kill but I hate fuel supply issues. I'm also going to do the...

Forum: Engines & props

20 October 2013, 21:27

Replies: 9

Optimax 225, 2004 surging at high revs

Views: 10,142

Posted By Portholme

Optimax 225, 2004 surging at high revs

I'm hoping theres an optimax guru that can help me. Above 4000 rpm the boat seems fuel starved and is surging, throttle off and it runs fine and at cruising speed runs like a top. This has happened...

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