Recent content by jamminmaz

  1. J

    Impellar replacement AT THE LAKE HydroElectric

    Good day fellers,<br /><br />1972 100hp Johnson, Hydro electric shift.<br />Maiden voyage for the season. Leaving the house, and thought "i guess i might as well grab that extra impellar just incase." Launched, cruised 10 minutes, siren. crippled her back, no manual, but have read the...
  2. J

    Accidentally left the key on

    Good Day everyone,<br />It's 72 100hp Johnson with original throttle box. Yesterday i took her out for the first time this year, and as usual when i trailer, i disconnect the fuel line and let her run all the gas out until it dies. This time i let the motor die, and started back home, pulled...
  3. J

    Manual tilt shock things...

    Alright, its a 72 Johnson 100, without power trim. There are 2 big shock looking things in the mounting of the motor to the transom, kind of like the things that keep your trunk open on your car. I think they are / were supposed to make it easier to lift the motor? I think they are shot...
  4. J

    RTV on impellar housing?

    I have a 72 Johnson 100hp (100esl72r) and i got the Seloc manual. it doesnt look like there is a gasket where the impellar housing meets with the impellar plate? When i do this service, would you recommend puting a small bead of RTV around the base of the housing?<br /><br />Thank you
  5. J

    IMPELLAR ONLY, OR FULL PUMP KIT?....PLEASE SPECULATE

    Good Eve gents,<br />I Cant find the entire kit for a 100hp 72 johnson model 100esl72R. I have heard on the forum that half of the people say change the whole thing, but the other half say just do the impellar. I dont know what to think anymore, and with the trouble of finding the kit, does it...
  6. J

    TROUBLE FINDING PUMP KIT '72 100hp

    Hello Hello,<br />The motor is 1972 Johnson 100hp model number 100ESL72R, and i am having trouble finding an impeller / pump kit for it. Does anyone have any ideas on where to find this? It has been recommended by those in the forum, to replace the whole pump kit, and not just the...
  7. J

    IMPELLAR CHANGE 100ESL72R

    Hello all,<br /><br />The restoration is going great thanks to MARK42's "Bringing back gloss to old Gelcoat" article.<br /><br />I got the wrong book forgive me. When I go to change the impellar, will i also have to change th LU oil, or is it in a seperate resivour? I changed the LU lube late...
  8. J

    TACH ONLY HAS 2 WIRES

    HI,<br />1972 100hp johnson, 1972 16ft fiberform is the boat. I have a wire that comes out of the control box, that runs to the tach, and then on the back of the tach, there is a black wire that is not hooked up to anything. Shouldnt there be 3 wires, or is that black one ground, and the one...
  9. J

    CONVERTING CLOSED BOW, TO OPEN BOW

    Hello everyone,<br />The boat is 1972 Fiberform 16 footer with a 100HP johnson. It is currently a closed bow (with a flip open windsheild) The bow underside has some stringers running accross (the top as viewed from underneath), but they dont attach to the outside edges of the lower hull, they...
  10. J

    How to tell if blown headgasket?

    Hi,<br />Motor is 1972 Johnson model number 100ESL72R, 100 hp.<br />Last season i was running in the driveway, in a bucket, and I guess i wasnt deep enough so the overheat horn went off. in a panic i shut down, slapped the muffs on, an turned on the hose (stupid i know) i heard a sizzle noise...
  11. J

    Cant find a prop Johnson 100ESL72R

    Hello,<br /><br />It seems when I want to buy a prop for this 72 Johnson 100, that i usaully get listings up to 1968, and then again after 1974. The only jonny V-4 prop i can find anywhere (on the net)is for a "125 hp thru hub 13 spline."<br /><br />Should I order based on the 68?<br /><br...
  12. J

    Very Basic Prop Question

    Good afternoon all,<br /><br />So the Lower the pitch number on the prop, the lower the top speed right? If i have a 13-3/4x 15 now, but i want more hole shot for pulling, i just go down to an 11 or maybe a 13, but keep the same diamater right? Its kind of like downshifting to a lower gear in...
  13. J

    Very Basic Prop Question

    Good afternoon all,<br /><br />So the Lower the pitch number on the prop, the lower the top speed right? If i have a 13-3/4x 15 now, but i want more hole shot for pulling, i just go down to an 11 or maybe a 13, but keep the same diamater right? Its kind of like downshifting to a lower gear in...
  14. J

    High temp alarm went off-

    Good afternoon,<br /><br />I have a 72 Johnson 100 that has been the lake several times this year, pulled skiers etc. and never overheated.<br />I usually use the muffs when I run it in the driveway, but last night I put in a big Rubbermaid container with water level about to the cavitation...
  15. J

    Quick Question-Steering cable attachment

    Good day to all,<br />I STILL have not recived my manual, so bear with me for this QUICK question;<br /><br />1972 johnson 100- where the steering cable comes out of the tilt tube, there is a nut/bolt that attatches it to the motor on a little ball looking joint. Should that nut be tight? Mine...
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