Recent content by mrtool2u

  1. M

    Need gear set,1979 Johnson 25 hp

    Workin on my cousins old steed,1979 Johnny 25hp,,looks like we are going to need a gear set,gog is wore and did some damage on the gears. Where would be our best bet to find these,what can we expect on price.
  2. M

    Strange question120 Evinrude

    Just worked on my bro in laws motor for a weekend fishin trip,motor is a 1994 Evinrude 120hp. I just drained all the gas and cleaned the carbs,had major water in gas but got that taken care of. Well this weekend it was acting up,would not come up on plane,boat is 17 foot fish & ski. Went...
  3. M

    Need parts/advice GT 150

    My buddy has a 1988 GT 150 that is giving us a bit of a problem. Sometimes the motor runs ok,then sometimes if will not pull top rpms. We are pretty sure it is the stator. He has a manual and it calls for 950 ohms +/- 15..We get approx 750 on left bank and 850 on right bank with motor cold...
  4. M

    What is spark dwell,1992 Rude 120

    My nephew just picked up a fish&ski with a Rude 120(1992) and the other day we were tinkering around with it.It seemed to have a rough idle,,sounded like it was popping,,I adjusted the spark dwell adjustment which seemed to really clean up the idle,,screwed the knob out which advanced the...
  5. M

    What is a vacuum switch/Purpose/Gt 150

    We are trying to figure out why my buddys GT 150 is losing power. First off,what is the vacuum switch that is inline on the fuel line,and what does it do. If it is not functioning properly,could it make the motor run bad. This motor is weird,,has approx 105 psi in each cylinder,,we decarbed...
  6. M

    Help,1988 GT 150 running bad.

    My buddy has a 1988 GT 150 on a 17or 18 foot Glastron boat. This is really weird. The boat will not run good until the motor warms up,then you run it for 10 or 15 seconds and it falls on its face. We are pulling the carbs Saturday. The compression is 90 to 100 in each cyl,,we will be doing a...
  7. M

    Need year/parts Old Johnson

    I am trying to determine the year on a old Johnny that my nephew owns,,we need the teeth that mesh in the handle where it bends that accelerate the motor.. The model number is QD-16 and the serial is 1237008...It is a old 10 hp. motor. The gears seem to be slipping,,is this common. Is there any...
  8. M

    Need advice,Impeller selection

    We picked up a 1996 Sea Doo Challenger with a 780 motor,,I believe 14 foot,,what should this boat run for top end. It is pushing to hit 37 at 6500 rpm's. The hole shot in this boat is hideous. It has a Solas Impeller,17/26 pitch,which is not what the website calls for. Would a 16.5 /23.5 be...
  9. M

    Where to find Jet Ski specs

    Is there any web sites that lists specs like plug recommdations,plug gap,hp, or any other valuable info. Most of the guys that ride in our group have Sea Doos but any other brand sites would be appreciated also.
  10. M

    What is best place to buy new impeller

    We are looking at buying a new impeller for a Polaris jet ski,where is the best place to find impellers. I have heard good things about Solas,are they as good as they say. Is factory impellers stainless or regular steel,,is stainless worth the extra.
  11. M

    Which repair manual is recommended

    I want to pickup a manual for my 1992 Johnny 120,and I would like some input from the gurus as to which manual is better. I know that there is Seloc and Clymer, and possibly others,,I have heard some complain that some are hard to follow. Any info much appreciated.
  12. M

    What color wire on Nissan tach is pole wire

    We are trying to hook up a Nissan tach in my buddys boat which has a 140 Johnson,,his dad had this tach and it was pratically new,shame to waste it. On our Johnny motor it has,,black-ground,,,,,gray-which is tach lead,,,,,purple-which is switched power....he Nissan tach has green,yellow and...
  13. M

    Can we use Nissan tach on Johnson 140

    We are trying to rig my buddys boat with a 1989 140 Johnson and his dad has a almost new nissan tach,,can we use it on this motor.It has the setting on the back for 12 pole,,which I believe my 120 is. And if so,where would be the best place to pick up the feed for this and what color wires on...
  14. M

    Can I check timing w/plugs grounded,140 Johnson

    My buddy has a 1989 Johnson 140 that we want to check timing on,,,I have read Joe Reeves procedure,and he talks about a spark tester,,do we need to use these or can we just leave the plugs in the caps laying on the heads.
  15. M

    Questions for Guru Jeff Walkowiak,or whoever

    Jeff,if your memory is good you helped me out a couple weeks back with a GSX that had 1 of the charge coils shorted out. Well now I guess I will be able to replace the stator. The back gear behind the flywheel is shot(starter gear) My question is,,I assume I need to pull the flywheel to get...
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