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    Different octain fuels

    Hi fellas,Here in Australia we have the choice of two different octain fuels, the standard 90 and the premium 97 octain.I have a 1989 225 jonno that has just been re-ringed and honed.I have finished the break in period with premix and vro with still a little premix left in tank.My mechanic...
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    More spark plug questions

    Can someone tell me the correct spark plugs I should be running in a 89 225 Jonno and why champion over all other brands??
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    V6 cylinder Numbering System

    Hi fellas,I am a little confused as to how the numering is done on v6 motors.I have a 89 225 Jonno and have had new rings and a hone done on it recently now the bottom starboard (what number?)cylinder had to have .30 ring set on it(I think thats what the mechanic told me)as opposed to the others...
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    VRO part #

    Hey Guys,Afyer reading the previous post VRO rebuild Im a bit worried,I to have a 16 year old VRO on my recently overhauled 89 225 jonno while I am still in the breakin period running premix &VRO Im not to botherd but I guess I should look at replacing it.Could someone list all the parts needed...
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    Compression-how low?

    Hi fellas,89 225 jonno,just honed and all new rings,I heard that you should not have any more than 15 psi variation between cylinders which I now do not have since overhaul but the compressin in all cylinders is still only a little under 100 psi.I would hve thought it higher after the work done...
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    Break-n time

    Hi fellas.Have just had powerhead apart for one new piston all new rings on other five and honing (89 225 jonno)have takin it for two long runs (40 nm offshore)and is running great.The mechanic said to run it on pre mix and vro for ten hours then cut out the pre mix.Mtor seems fine running on...
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    Crankshaft issues

    I was reading Cortes165's post and led me to wonder about the crank in my 89 225 johno.I have just had to replace it due to seized bearings.I have also had to re ring the pistons as well.The rest of the crank seemed to be ok there was no signs of blueness on the journals and the pistons and...
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    Water ppressure gauge 89 225 johno

    I read somewhere it is a good idea to fit a water pressure gauge my qu is where does it get installed and is the type of gauge itself located at the powerhead or is it remotely monted at the dash board with the other gauges? secondly what sort of pressure should I be looking at during normal...
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    Engine hours and yet another vro question

    Is there an average time in hours you shoud get out of a motor(johno 225 1989)befor things really start to wear out,eg start to lose compression and secondly I understand that the vro changes its pulse rate at differnt rpm but is there a rule of thumb or average rate per minute for say if the...
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    VRO rebuild or replace?

    Hi guys,Im just in the process of a 89 225hp rebuild,I have had no problem with the VRO so far but im figuring that it is the original so Im thinking if Im going to the trouble of a rebuild I should do something about the VRO.I have found these kits online.ALL VRO PUMPS<br />FUEL PISTON AND...
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    Burning out Stators 89 225

    Guys, a little while ago I burnt out my stator and inturn it shot the rectifier.The guy I bought the boat from said he had repaced the stator just six months before and I probably had done only forty hours since.Battery terminals tight all connectins seem good.I have a dual battery system with a...
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    1989 225 VRO jono partial rebuild

    Hi fellas quick run down, first boat Ive owned and Im no mechanical wiz but have a good basic understanding of things.The motor,firstly are these generally a good motor? secondly I have just had a full melt down of the stator and subsequently the rectifier went as well,my mechanic has since...
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