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    oil injection fittings , tip broke

    thank you , ordered ,
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    oil injection fittings , tip broke

    FOLLOW up - REMOVED , WAS METAL , PRESSED INTO BLOCK , MADE A DIY HAMMER PULLER AND IT CAME OUT . NOW I HAVE TOO TRY TOO FIND THESE OLD PARTS
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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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    Yamaha ignition coils

    Proper testing equipment , TOOLS OF THE TRADE , do this for a living buy the best , Weekenders use once pay hundreds never using again , or can't find it if you need it , hire the guy , if you can find one , ( sometimes educated guess on part needed ) cheaper then hiring the guy ...
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    Yamaha ignition coils

    Boaters helping boaters . That's the beauty of this forum , Unless you ask questions one will never learn , OB new for me ( downsizing ) Having twin IOs learning as I go Correcting no spark on 3 cylinders starboard side , I wanted too check coils . not eager too replace if not...
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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

    FOLLOW UP - FOUND IT - engine running on 3 cylinders . My first thoughts was water , but entire bank starboard had no spark, Checked every harness connection , opened every ground , wire brushed, dielectic grease, stator ? magnetic pick up ? thought I had computer but find out its...
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    Yamaha ignition coils

    never mentioned coils going bad after a week , Coils are 23 years old , was asking if the ones I see aftermarket can be used , Advertised they say perfect replacement for the yamaha OX 66 up too 225 hp , I have the 250 .HP . Majority of the coils I see on line max indicated 225 hp , A...
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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

    Engine was running OK , still learning about this older OB going from IOs . Weeks ago ran good , week later ran like crap , stalling , would not idle without stalling , opening up it seemed like it was running on 4 cylinders , Got boat home , water separator had water in plastic bowl , How it...
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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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    Little help Re grey oil hoses ,

    Thanks for getting back , Found it difficult too follow some of the diagrams. Possibly help others Two hoses I was referring too is coming off the intake manifold , One of the hoses goes too the nipple off the silencer , Carb cover , the other one it tuff too find but thanks too a retired...
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    Water in water seperator ? What too do next

    thanks for the info , Makes sense , I don't see any other source for water too enter other then vent hose , either way plan is too empty tank , thankfully not a lot in tank , I did run a seperate tank fresh gas , only short while , still seemed ruff thinking some gas in vst tank , CLOSED...
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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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