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Recent content by HonDan

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    Honda BF150a

    from your description it is the top seal cover of lower unit which holds the water and gear oil seals for the drive shaft. the seal cover wont effect water flow but if there are sand and shells packed around it restricting water intake which could also be cause of the corrosion of the cover you...
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    2005 Honda bf150 leaking oil when trimmed up

    Another place probably the first place you should check is the drain tube of the Case Muffler. its the small tube under the black plastic part that connects onto to the throttle body. if the oil is coming out of the drain its no big deal. There is a 1 inch vacuum hose that comes from the timing...
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    2005 Honda bf150 leaking oil when trimmed up

    Several places to check. on the top of the engine remove alternator belt cover and look under main pully wheel on top of motor see if oil slinging out from under it. if so that upper case seal not real difficult to replace. second place to look is valve cover gasket and rubber tube from cover...
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    Honda BF150 erratic running at high RPM

    Check the orings on the fuel water separator and low-pressure filter look for any flay spots or hardness, might seal enough to not leak when sitting but when suction applied air might be getting thru loosing. + if neither you need to connect fuel pressure gauge and run it til it repeats...
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    Buying a used BF150a5

    Bit of a gamble. do a compression test, and leak down and scope before you buy as try to find source of the leak and any damage to piston or cylinder wall and how low the compression is. If you can run it dry ( no water 30-40 seconds) and it runs ok and just compression is low then might be...
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    Honda 9.9A (4 stroke) from 1998 intermittently starting

    it sounds like bad wire or ground connection, clean every connector and use dielectric grease on them when reinstalling. if it starts and runs for 20 minutes again then its possible its heating up internally and failing. I have had mercury ignition coils do this they work perfect when cold you...
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    Honda 9.9A (4 stroke) from 1998 intermittently starting

    Amazon sells CDI spark testers and inline lightbulb spark testers for under $10. If you get inline lightbulb type tester to show a flash of light but the CDI tester doesn't then you might have under 25k volts coming from CDI. But you mentioned wet plugs so it sounds like you have a float...
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    Honda BF 150 Won't restart while hot, will restart after a few minutes. Will start and stop multiple times when cold

    Agree with above, Could also try to hear fuel pump when you turn key? if no then likely fuel pump is failing when hot. If you hear the fuel pump then with multimeter test for volts at exciter wire (speaker type spade connector on the starter), use alligator clip on multimeter and clip black...
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    2007 Bf150 issue. No start with a twist

    sounds like your trying to install a 2007 and later vst on a 2004 engine. you should be able to reuse the top/lid of your 2004 vst and you wont have any extra tube or wire connections.
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    Bf150 dtc 14 iacv troubleshooting, honda gurus help please??

    page 5-57 did you clear the IAC code after new IAC install? since you replaced the IAC and light is still on look at page 5-80 and 5-81 in service manual to test IAC wiring. with the engine at 800 hours good chance it is A/F 02 sensor heater I'd test that as well its DTC is 41-4 page 5-44...
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    Bf150 dtc 14 iacv troubleshooting, honda gurus help please??

    how many hours do you have on the engine? could be the 'heater portion of your 02 sensor, cleaning sensor won't fix heater portion of sensor.
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    Bf150 dtc 14 iacv troubleshooting, honda gurus help please??

    what year or Serial number is your engine and how many hours and what is your engine doing lights on the key switch buzzer alarm? Is the starter turning? is there voltage at the exciter wire the speaker wire that hooks to the starter solenoid when turning the key? you will need multimeter with...
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    2016 Honda (tohatsu) 150 stalling and surging over 3500 rpm....sometimes

    You run it on a hand tank of a belly tank? I've had the fuel pickup hose inside my maintenance hand tank spilt and cause similar issues you describe. Try a new hand tank. its definitely not the VTEC airbox diaphragm, that kicks in at over 4000 rpm and just provides different airflow not fuel.
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    Honda BF150 bogging down

    Try running the boat full throttle until it bogs down, let it idle after bogging down for a moment and run it back if til its starts bogging down again at about the same distance then fuel flow is not keeping up with the power you are asking from the engine. Check fuel tank vent see if mud wasp...
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    2004 BF150 low fuel pressure

    I just looked up Code 48-5. Ref page 5-15 p169 It is O2 air fuel sensor code not an air flow sensor that you replaced. Look at other posts on this site for 150 02 sensor. Can ohms check it, can clean it with carb cleaner and brass wire wheel. But if heater sensor is out you will need to...
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