Recent content by theshoaibahmed

  1. T

    20hp mariner after service, speek still 13 to 14km/h

    Hi guys. I would need your expert opinion, after service my 20hp mariner outboard motor by professional marine outboard mechanic, on 14ft aluminum boat, the apeed is still 13 to 14km/h and after few hrs whwn i am using key to atart, it disn5 start and i have to use wheel to pull start...
  2. T

    Why my motor speed is low 20hp mariner

    Hi all, just to update i clean the Carb, rebuild with original gaskit, bought from mercury, but progress doesnt change after few start engine doenst start, amd speed ia the same 11 to 13 km/hr, i dont know what else i have to do. Any suggestion.
  3. T

    Why my motor speed is low 20hp mariner

    Hi all friend. This morning itested the 2 cylinder and getting both 120psi. But on full speek my speed is inly 11 to 13km/hr. Any suggestion please ​​
  4. T

    Full service manual to download

    Hi all friend. I would really appreciate if some can guide me to download service manual for mariner 20hp 2 stroke 2 cylinder outboard motor. Thanks in advance
  5. T

    Quick help need for lower unit 20hp mariner

    Hi all friends i wanted to service water pump and but after taking 4 bolt out (2 left and 2 right) i cant take the lower unit out. Seems something stuck. I tried pulling harder but didnt want to put to much force. Can of the friend tell me is there any screw or something which is causing lower...
  6. T

    Marine 20hp outboard... No start with key

    Hi friends Quick question. My mariner 20hp. This year i replaced triger and stator. Everything is ok but after 2 or 3 days when i start my motor, every time it doesnt start i have to use wheel and pull string few time and then when i start with key, its start. Can any body help me why its...
  7. T

    How to check if speed is good

    Hi all friend I have 14.4 foot boat with 20hp 2 stroke mariner outboard motor, how i can check the speed if based on 20hp, Recently i took boat after changing the trigger, for fishing and use my cellphone software for speed and got 11km/hr. is this ok or ahould be more... How i can check Thanks
  8. T

    Can i use WD40 to open flywheel

    Hi guys this morning i tried everything to pull flywheel on 20hp 2 stroke mariner outboad motor. Can i use wD 40, is there any harm to it. Everything open but i cant pull flywheel. Please help and advice Thanks
  9. T

    Marine 20hp outboard... No spark

    Good day guys. I need to ask a favour, i got boat with 20hp marine outboard motor, the seller told me that few days back he had hand on the motor and rod, suddenly he got shocked, after he tried to start the motor, its not starting. He told me his mechanic told him that he has to replace...
  10. T

    What could be the issue with 50HP mercury outboard motor to run slow in water

    Hi all friend Just a quick question and wondering what could be the issue for 50HP mercury outboard motor to run slow and not fast in the water the way it should be. I serviced both Carburetor on 2 stroke 4 cylinder mercury motor. Any suggestion would really help. Thanks
  11. T

    Carburetor rubber slipping after speed

    Hi all friend This ia my 2nd time i bout the carburetor kit and fixed the bowl, by putting new rubberin between bowl and top and everytime whwn i take my boat to water and speed whwn gas comes in Carburetor. Rubber slips and gas satrt leaking, there was only one middle screw i tight again and...
  12. T

    50hp thunderbolt mercury outboard motor (speed)

    Hi all friends. Onec agian. One thing i notice last week when i was using marine battery, it was charging ao i am going to test wire and rectifier. Secondly notice 50hp doesn't have to speed which it whould be for 50hp. Can some one expert guide me. Thanks
  13. T

    Connecting trolling motor with existing marine battery

    Hi all friend Quick question. Can i connect and leave it connected my trolling motor with my existing marine battery which is already connecfed with 50hp mercury outboard motor? Or can i get some sort of adaptor which control 12v to my troll8ng motor so i dont have to worry about connecting...
  14. T

    50hp mercury thunderbolt (Battery, wiring or motor issue)

    Hi all friends By you helping me i fixed the carburetor on my 50HP mercury outboard motor. But i notice this morning, when i took the 14' boat suddenly it wont start. My sixth sense told be that motor should ok so i decided to change the current marine battery with my new marine battery fully...
  15. T

    Mercury 50hp still gas leak

    Hi all master brother This morning i went for fishing and noticed when i was starting motor, gas was still leaking and when its not running, gas doest leak. In this forum some one suggested, may be carburetor leaked and they were right lower, carburetor was damaged (cracked) and i use glue and...
See more
Top