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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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    Transom Saver Yamaha ,

    Some advice RE transom saver Recent purchase - 22 ft Grady - seaferer Engine - Yamaha OX66 2 stroke 250 Hp Previous owner used boat seldom and never more then a mile too boat ramp , He used the swing bracket Yamaha installed I see damage happening , not recommended too travel long...
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    OX 66 - 250 , -2 stroke has a small coating of oil bottom of engine housing after use ?

    GW Boat & motor is new too me , going from IOs Motor is 2002 Yamaha OX 66 - 2 stroke - 250 hp , fuel injected After use when I trim motor up for transit a once of oil slivers out , leaving a small puddle just under engine on deck , One / two wipes its gone No indication where oil can be...
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    Yamaha 2 stroke , shift cable adjustment ?

    2000 OX 66 HDMI 2 stroke 250 HP when we start going fine when we want too gain speed I push down on throttle , not responsive , moving throttle slowly , eventually it opens up when this happens it jolts passengers, I back it down too find sweet spot and it runs fine Happens...
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    Battery operated small room A/C units , WORK ?

    Down sized from a cruiser with a/c too a GW 22 ft walk around , cuddy cabin boat. Once I remove middle cushions , I can stand in cabin , without head hitting ceiling Two can sleep and stretch out with comforts for extended fishing trips , Aware a powerful fan on power inverter will keep...
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    OX 66 Yamaha , no fuel pumping into VST ???

    2001 OX 66 2 stroke 250 HP Last week changed WS filter & engine primary filter During week started daily letting it idle 5 minute each day,- water pumping thru strong. other day while Idling heard that starving for fuel sound , Engine DIED ?? HUH - why ? Removed WS filter checking...
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    2003 OX 66 - fuel pump

    OB new too me 2003 OX 66 2 stroke 250 HP when I turn key switch first position should I hear fuel pump ? on this engine no fuse panel , located single in line fuse housed in a box labeled fuse box , but no fuse panel , some sort of breaker box with no breaker switch ? with...
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    Location of fuse box on OX 66

    OX 66 2 stroke 250 HP OB new too me ( IOs ) Tag indicating serial number is not readable , From what I understand motor is late 90s early 2000 - OX 66 fuel injected I see on videos OX 66 has a fuse box , under fuse box lid is a fuse panel with 4 fuses 2 relays , On my model...
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    OX 66 - Ran after fuel filter changes , then died starving for fuel ?

    Yamaha ( purchased recently ) OBs new too me coming from IOs Motor is a OX 66 250 Hp 2 stroke Always have water connected when starting engine Last week changed external fuel filer ( one with view bowl ) New yamaha primary fuel filter ( dirty ) primed both bowls with fuel engine...
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    OX- 66 - 2 stroke - 250 Yamaha , Think I have fuel issue after filter change ?

    Recently picked up a OX 66 , 250 HP , 2 stroke - Yamaha , New too me , all other engines were IOs Going thru engine , changing gear oil , plugs , gas filters , primary and external Had engine idling ( new filters ) few minutes number of times since last week , seemed fine Today...
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    Yamaha OX 66 , slight water intrusion drive ,

    Recently picked up GW with 2001- 250 yamaha - 2 stroke - Familiar with IOs , OB new for me , getting familiar with this power package Previous owner showed me invoice of recent work done Feb this year impeller , VST - rebuilt quart of gear oil - not sure if they topped off or...
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    Few wires on yamaha gauge not connected ?

    Recent purchase working my way thru what's working and not working Gauge cluster Tac gauge working , ( not bright ) Speed gauge blank screen , discovered ground wiring , cleaned reconnected and see zeros ( not bright ) Noticed a number of wires not connected and questing WHY ...
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    OX 66 - 2001 - Cable latch diagram routing

    Single latch controls all three latches , Two in rear , one up front , Two front have loose cables , front clip engages , cant figure routing , , Nothing online Seloc Yamaha repair manual only indicates grease the latches no pics & info on replacement , Thanks
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