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    Drive held pressure but still leaks out , water in

    2000 OX 66 2 stroke 250 Hp SX 250 TXRY Had water in drive Purchased OEM Yamaha prop shaft seals , top seal , shift shaft seal Never considered doing a pressure test too determine which seal is bad , jut changed them all New screws and gaskets vent & drain Pumped 12 PSI , did soapy water test...
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    self leveling or motorized trim tabs

    22 ft grady white , seaferer 250 yamaha boat never had any trim tabs when i open up leans too starboard leaning towards self leveling , your thoughts self or motor leveling , what size plate ?
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    2 flat & wavy washers along with plastic washer not under impeller cover ?

    2000 OX 66 250 hp SX250TXRY shifting was ok prior too oil seals upyper & lower, plus shift selector seals , impeller , gear lube , OBs was new too me coming from IOs According to diagram 2 washers and 1 wavy washer along with plastic ring go under metal cover There was none on my shaft ...
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    Gears grinding after re- install drive

    2000 ox 66 2 stroke 250 hp pulled drive too change impeller top seals , bottom seals shift seal gear oil change ( water intrusion ) throttle in N did not move shifter while changing seal , shifter not easy too move without vice grips Installed drive gears grinding , forward slight grind...
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    oil injection fittings , tip broke

    2000 TXRY yamaha OX 66 2 stroke ( obviously ) 250 hp oil injection hose on starboard side had crack leaking oil I should have known better but when I put a little force too remove and replace the tip of of fitting broke off into hose Of coarse location is very bottom bit tight but i can...
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    Starts then no start

    2000 ox 66 2 stroke 250 hp I had two issues same time , believe I corrected one , No spark starboard side all 3 cylinders , Found yellow wire into CDI crud and tips making no contact , New connection and now have spark OR A WEAK STATOR ( will explain ) Starting issue cold start ...
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    Water Separator , larger filter verses smaller filter

    Motor is a 2000 - 250 hp - 2 stroke - fuel injected SX -250 TXRY , Question regarding fuel - water separator 3232 Racor - presently installed on boat , larger filter with plastic base verses 3214 - smaller in size - clear base both 10 micron wanted too install 3214 - since there is a...
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    Low Pressure Pumps - Yamaha

    2000 OX 66 250 hp 2 stroke fuel injected fuel priming issue , Difficult cold starting , once started , can shut and start over & over sit 1/2 hr , difficult starting again , Ball gets hard then soft What I did find out , one of 3 low pressure pumps leaks from back , TESTING LOW...
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    Yamaha ignition coils

    OX 66 1999 2 stroke 250 Hp fuel injected compression all 6 cylinders 120 Dont know model # ran fine , week later ran like crap , symptoms - not able too idle , not able too throttle up stalling before I could get into gear , - backfiring , - running like i was on 3 cylinders...
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    interment spark no spark

    2000 yamaha OX 66 2 stroke 250 hp fuel injection no engine model number Interment spark issue starboard side on all 3 coils ????? Port side OK work , dont work , work , dont work HUH ? leaning too computer issue , Plan is go thru each connection , check all grounds, maybe a...
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    Explain how fuel system works OX 66

    Cranking will not start 2000 OX 66 2 stroke 250 hp fuel injected Getting spark on all 6 coils , ( tested with spark tool at night ) got it too fire up briefly - shut Back too start will not , , ONLY CRANKS -away Leaning towards fuel pump , will check wiring getting familiar...
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    COIL INFO

    yamaha ox 66 2002 2 stroke 250 HP dont know model number number on spark plug wire boot , TD -T -132 was testing spark off coil , with spark tester , ( another person turning key ) got a shock # 5 is plug wire with coil sold one unit ? boot unscrews , end going into coil...
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    Finding model # on my Yamaha

    Need a little help from you experienced Yamaha guys / gals Can not read stickers on engine bracket , there is two one on each side , engine is 2000 250 Hp 2 stroke fuel injected Understand there is metal stamped size of a quarter someplace on engine , Those of you that know...
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    Priming after fuel tank cleaning

    Early 2000's Yamaha OX 66 2 stroke 250 HP fuel injected don't know model # ( new too me ) no tags readable outside , inside i keep looking for a stamped tag ) constantly working on engine , nothing jumps out indicating , Ran good 2 weeks ago , last week splashed normally first...
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    Water in water seperator ? What too do next

    Early 2000's Yamaha OX 66 2 stroke 250 HP fuel injected Don't know model # recently picked GW 22 foot Seaferer , with Yamaha OB , working my way thru learning process week prior , ran fine week of monsoon rains here in FLa Normally starts first turn. this time stalled after...
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    Little help Re grey oil hoses ,

    early 2000's Yamaha OX 66 2 stroke 250 HP serial number not readable Engine is new too me , Bit of oil after each use bottom of cowling Noticed 3 hoses not connected One wire , port side - thin black off the oil storage container . Discovered it goes too one of the nipples off the...
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    OX 66 - oil vent hose hanging , Where does it go

    Working on unrelated issue noticed the small vent hose from the oil container is hanging loose . Connected too top plastic nipple of the oil cannister , . Possibly right in front of me , I just dont see where this hose connects too , On the plastic that covers carbs on the bottom is two...
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    How much water is too much in water seperator

    1/4 cup possibly little less of water came out of recor clear cup water seperator How much is too much ? yamaha ox 66 2 stroke 250 hp carb
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    Think water entered gas tank ?

    Yamaha OX 66 2 stroke 250 hp carb engine gas filter & external clear cannister new 2 hrs run time , splashed last week , ran fine , after adjusting air flow sensor Yesterday - splashed , stalled , started , stalled , over and over , would not idle , little more gas too stop...
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    Huge sunbrella canvas boat cover off of 30 footer will sell for ,?

    Sold boat , canvas is 20 years old , stored in dry storage , not used , sitting on shelf , clean Sunbrealla branded canvas material Dark blue , one piece no rips , clean, It was cut for my model but would work for express cruisers with arch around 28 ft covered BOW over ARCH...
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