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  1. W

    1996 Suzuki DT150 Speedometer hose

    My 1996 DT150 has what I believe is a speedometer hose coming out of the lower unit. Can I hook it to a standard marine speedo or do I need a suzuki speedo? Thanks.
  2. W

    1996 Suzuki DT150 Temp light/Alarm question

    I am having an issue with motor I just bought. I can run for about 1 mile and the temp light and alarm will go off. I seem to have good water flow. The heads are hot but I can touch them, they don't feel too hot. I ordered a new waterpump, thermostats, and temp sensors. My worry is oil flow. Is...
  3. W

    99 DT150 Engine cover filling with water

    Guys I need help. I have a 99 suzuki dt150 that fills the engine cover with water while it runs. It will do this with the muffs on or in the water. I can see the water running out from the motor under the intake. Is there water running through the intake? I know it has a expansion plug on top...
  4. W

    1999 dt150 engine light

    Should the check engine light come on and go off when the key is turned on?
  5. W

    1999 suzuki dt150 won't pull rpms

    I just traded my trusty 1987 johnson 140 for a 99 dt150. The motor runs great, starts and idles fine. It will pull 5K rpm with the throttle level in the water. However with the shift lever I. Can only reach 1200 rpm max. One time the motor ran rough and I was able to get on plane and pull 4100...
  6. W

    1999 Suzuki DT150 advice

    I have the opportunity to swap my 1987 Johnson 140 for a 99 Suzuki dt150. The deal is my motor and $1500. The suzuki has low hours. My hope is that the Suzuki is better on fuel than my gos hog 140. Are there any issues with these motors? Is there anything I should look for?
  7. W

    1987 Johnson 140 idle issues

    I have an 87 Johnson 140. It started out of the blue to want to idle low and stall. VRO disconnected, 125-127 psi compression for all 4 cylinders, wot cranking timing set to 20 degrees. The carbs are so clean they look new inside and out. On the throttle lever on the engine there are 2 stops...
  8. W

    1999 Suzuki 150 advice

    Hey guys I found a deal on a low hour 1999 Suzuki 150 EFI outboard. I currently have an 87 Johnson 140 on my 1996 20' deck boat. I like the johnson but is uses lots of fuel. I can get the Suzuki for $1700 and my Johnson in trade. Is there any issues with these motors? Is there anything I should...
  9. W

    Another 1987 Johnson 140 rpm prop question

    I have an 87 140 on a 20' deck boat. I was running a 13 3/8 x 17 prop. The motor maxed out at 5100 rpm and 32 mph max. I was worried about running too low rpm. I switched to a 13 3/4 x 15 pitch prop. It should have brought my rpm up. It now maxes out exactly 5000 rpm and 28 mph max. So I lost...
  10. W

    1987 140hp RPM, Speed, and Fuel economy questions

    I recently purchased a 96 Playcraft 20' deck boat with a Force 75. It is rated for a 200. After spinning the prop trying to push the boat, I bought a 1987 Johnson 140 off a buddy. The motor runs fantastic. It has a 13 3/8 x 17 prop. I can only get 5100 rpms at 30 MPH and it uses a ton of fuel. I...
  11. W

    1987 140 Idle adjustment and steering adjustment

    Hey guys I have 2 questions where do I adjust my idle? It seems a little low and has stalled out a couple of times. I have another question. On the water the motor wants to steer to the right when I let go of the wheel. The plate above the prop was loose and spinning around. It that where I...
  12. W

    No Serial how do I date my motor

    I just picked up a Johnson VRO 140 for my deck boat. The sticker is long gone. Is there any way to date the motor? Is there another location for the serial number? THanks guys.
  13. W

    Vent hose location

    Hey guys I have a 96 Force 75. It has a hose coming off the lower unit that I am not sure where it goes. I am guessing it is a vent hose. It just flops around. Any clue where it goes? Thanks.
  14. W

    please help

    I have made a few post with no responces. I have a 1996 Force 75 on a deck boat. The motor runs great and pulls in RPMs. I think the timing is off. What are the timing specs? I also have a line of oil like sludge coming for the upper exhaust hole below the engine cover. Should I be concerned?
  15. W

    Need some timing specs please

    I need to check the timing on my 1996 Force 75. Does anyone know the timing specs? Thanks.
  16. W

    Force 75 issue

    I just bought a deck boat with a 1996 75 Force. The motor runs but the needle has corroded. I pulled the carb to rebuild it. My question is that the plastic control rod end to the towershaft is broken. I have a replacment coming. what it the procedure for adjusting the rod? I work on cars...
  17. W

    Johnson 30 not charging

    I am looking for a test to diagnose my no charge problem. I can run the boat all day however if I cut the boat off I have to jump it. Using a DVOM I have nothing but battery volttage at the solenoid and the rectifier while the boat is running. I assume it could be either the rectifier or the...
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