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    forgot to mention , yes she will take some...

    forgot to mention , yes she will take some exhaust porting with a smile ... and ya i did ... even better is the newer version ... little heavier .. more cubes apx 33 cube and the newer style pistons...
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    pics above showing in my hand is what i use for...

    pics above showing in my hand is what i use for adapters readily avaible apx 10 bucks machine to fit your prop , a pic og 35 twin on a short mk 20 leg with custom built kgfoot highly modded other pic...
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    64866648676486864869

    64866648676486864869
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    couple pics of a 35hp twin on a mk20 leg used...

    couple pics of a 35hp twin on a mk20 leg used mk30 pan cut down for adapter only mod was a drivshaft adapter ... easy to do this would also work for a ke/kf/ kg leg and a ab quickie ... as far as...
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    same engine ! same gaskets ,:) 25ss = merc 200,...

    same engine ! same gaskets ,:) 25ss = merc 200, same porting ,same crank, pistons , block , reeds ,etc ........only difference is .... ignition locked full adv and dif carb also some had an alum...
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    correct me if i`m wrong but this motor is a half...

    correct me if i`m wrong but this motor is a half breed aint it ? meaning part chrysler / block wise and merc ign / mid is ?? and gearbox is merc .... looks just like the 90 hp jet boat engine ,like...
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    gear ratios merc 90hp

    a buddy of mine has a 1999 merc 90hp triple ... said the gear ratio is 2.3 and he is wondering what are his options if any ... goal is to drop it down to ?? what fits if anything and what is...
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    brian ..

    the pic is a model 270 quicksilver inflatable (8.5 feet) outside ... wood floor insert ... rated 10hp in pic has a merc200 .stock . runnin mid 30`s at time ... it is too much on tiller :eek:thats...
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    25hp omc

    recently a referal came to me an wants to go faster with his mini hawk ... anyways i am not real familar with these as i am more into mercs tho i just did a 35hp rude which is the same block ......
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    ok my take as a former tech AND also a former...

    ok my take as a former tech AND also a former store manager of a firestone store in a earlier life ... can be caused by any of several above problems the most likely 2 are out of the above...
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    my turn at it

    after looking at the ports a while looks like transfers opened to be 2 large ports instead of 4 .... BUT from what little can be seen apears to also be blocked off in middle of each , which makes...
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    quoting SAM...As described in the book, what you...

    quoting SAM...As described in the book, what you do to any of the ports depends on what you want the motor to do differently from what it does now.

    i DONT MEAN TO OFFEND .. BUT i do not advise...
  13. liners

    i no , figure apx $400 pts /labor ... but i`m thinkin if this works out power wise .........then to have a motor thats gonna last and can port some then i can justify the $ to have a block done , my...
  14. john ..for what you say ? because i can ..just to see

    hi john
    dont race per say/.... like most of you guys ... but do have a dinghy race 1 time a yr and no rules , run whatya brung .. off the wall / outragoues works even better ... always wanted a...
  15. merc 25/xs duel carb manifold ...its ALIVE

    i stated a while back , was gonna build a duel carb setup for a 25 looper here she is , almost done got some more work on inside now ... hope it works ... we will see /.......photo page is...
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    merc 200 shifter ..

    its most likely installed CORRECTLY ! ... i have several of these diff . years and yes i forget which is which but some went 1 way and other years went just the oppsite apparently you have ran into...
  17. merc 25xs mod expansion chambers any info ??

    anyone have info on chambers for the 25xs OR specs and or adapter plate ??
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