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  1. jerryjerry05

    90hp Force with no serial number

    The drive is the gear box or lower unit.
  2. jerryjerry05

    1989 Force 50hp spark plug options

    Hook a spark plug to the first lead. Ground it to the block and turn it over. Then do the same to the other lead and compare the sparks. Any difference? change the coils around and see if the bad spark follows the change?? Ebay usually has packs/coils. http://standardmagneto.com/Parts.html...
  3. jerryjerry05

    90hp Force with no serial number

    The starter has a date on it. 5/20/89 They started the 90 in 1990 The blue packs show it's around the late 80's up to the early 90's Pics of the drive? Pics of the cover? Under the bottom carb should be another foundry stamp.
  4. jerryjerry05

    1988 force 50hp

    Higher comp won't help. Port and polish might get 1 maybe 2 hp. Maybe. Boring out to .040 can get a bit more speed. You'll need to rejet the carb at .040 What's the rpms at wide open? If the props as chewed up as you say?? that can slow you down. Load and boat size can slow you down too. You can...
  5. jerryjerry05

    Chrysler 757HB. Heating problems (again!)

    You'll be cruisin with that Seagull. Get another 10-12 and you might be able to tow a tube. :)
  6. jerryjerry05

    1989 Force 50hp spark plug options

    Champion UL-18V or the NGK equal NGK BUHX; NGK stk 2522 Either of these should work. Explain the problem?? Do a compression and a spark test. Post the results. The 50 can run on 1 cyl. not great but can run.
  7. jerryjerry05

    Force 125 lower unit issue

    The gear ratio was different on the early Chrysler/Force 85/125 Then in the early 90's they used the same gears on the 90/120/150 The drive will swap the performance on the 85 won't be as good as the 125 The rebuild on the newer lowers is fairly easy. They had a simple system to ID the housings...
  8. jerryjerry05

    Hard to start and no idle

    I'll see if I can locate a manual??? Untill then try U-tube and look for video's
  9. jerryjerry05

    1990 Force 50 HP Bearing Cage Kit Replacement

    Looks like the shear pin or locating pin is missing. That pin holds the prop away from the housing. On the shaft is a 1/4" hole, turn the prop over there's a corresponding hole. Fit the prop and insert the pin in the hole and then tighten the nut and insert the cotter key. #s 9 /10/11/12 all...
  10. jerryjerry05

    Hard to start and no idle

    Compression test???? You say you pump the fuel arm and it helps it start. That would only help if you were turning the key as you pumped. ?? Pushing the key in and out as you turn the key would do the same thing as these carbs don't have an accelerator pump like the older cars had. The primer...
  11. jerryjerry05

    Chrysler 757HB. Heating problems (again!)

    Answer the rest of my questions. Pics of the drive? 6 or 12 really makes no difference. I think the 12 vane impeller is the older style. They push enough water to make up for the seal or no seal. Turned backwards: the hole at the bottom when backwards it blocks the water from going to the head...
  12. jerryjerry05

    1981 Chrysler model 307h1d

    Something that old (40) you'll be very lucky to find anything that even comes close. Start looking for a Force 40-50 with T@T already installed. eBay might have something? then the wiring and hardware will be hard to find. Good luck.
  13. jerryjerry05

    Exhaust snout

    To answer your question: NO It's needed to help steer the boat.. It also sends the exhaust into the water away from the prop wash. When set up right the snout helps keep the boat going straight and makes it easier to steer. The new prop: does it have the thrust hub on the housing side?
  14. jerryjerry05

    Force 507X8B Shift & Throttle cables

    I don't think so.
  15. jerryjerry05

    89 model 120hp force from wot to start to bogging.

    That's not the result I was looking for, the motor shouldn't have died?? It should have smoothed out and run right?? Check the fuel pump diaphragm? Start the motor, spray starting fluid around the intake side of the motor. Make sure it gets spray under the packs/coils and the bases of the...
  16. jerryjerry05

    Chrysler 757HB. Heating problems (again!)

    The cooling water gets to the head from the two holes in the bottom and top of the gasket. You have it in backwards? gasket? (had to ask) The holes in the sides of the gasket really don't allow water to get to the head. Now if the head has corresponding holes then it would get cooling water from...
  17. jerryjerry05

    1991 Force 90hp starting problem

    Jethro Bodeen and his sister Elly-mae helped with my numbers alearnin. Anytime you need help? BE54789 (be-beachwood)
  18. jerryjerry05

    89 model 120hp force from wot to start to bogging.

    If your having trouble with idle? Good chance the port cover gaskets need replacing???? I never had to lengthen the idle screw. The primer has a diaphragm, possible when the rubber hoses went the diaphragm went too??? Once it's running, pinch off the hose to the carb from the primer.
  19. jerryjerry05

    Force 507X8B Shift & Throttle cables

    The red cables are for Force/ Chrysler and Yamaha. The ones with the black barrel are Mercury and Mariner. Unfortunately they won't work on your motor. The older than 89/90 50's used a dash mounted kill switch.
  20. jerryjerry05

    1986 85HP ignition problems (not firing in the right order)

    I'd do a compression test before doing anything else??? I believe the solid Green/ Orange is #1 The stripe leads are #2 I think.
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