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  1. jimmbo

    1958 Evinrude Bigtwin 35/1969 Evinrude Ski Twin 33 powerhead swap

    I think the Heads are different, not just because of the Compression Relief on the 58, but because the Cowl attaches to a Bracket on the Head, might also apply to the Crankcase.
  2. jimmbo

    WOT timing value on a 90hp johnson?

    WOT Range for a 96 90hp Crossflow is 4500-5500. The 90 makes its Peak Hp at about 4700-4800rpm Isn't there a Sticker on the Airbox that states WOT Timing? 28 BTDC was common on the 90hp. However, setting that at cranking speeds could yield a different value when running at High Rpm due to the...
  3. jimmbo

    NEED PROP ADVICE: '78 Johnson115 2stroke/ '82 Ranger 330V

    Could be a Gauge Issue too
  4. jimmbo

    Trailer bearing blowout. Need help with repair(s)

    That Axle is not a Straight Axle, it is one that Is lower at the Center, than at Spindles
  5. jimmbo

    NEED PROP ADVICE: '78 Johnson115 2stroke/ '82 Ranger 330V

    Do you have Power Trim, or just Power Tilt? Both were offered in 78. There is a Difference.
  6. jimmbo

    1967 Johnson 100 hp Meteor outboard

    Interesting Crinkle Paint. Either the result of Heat, or someone Repainted it. CDI/Serria makes a replacement for it
  7. jimmbo

    NEED PROP ADVICE: '78 Johnson115 2stroke/ '82 Ranger 330V

    #4 #5 Trimmed all the way Down at WOT? That is one way to really kill Top Speed, and create a very Dangerous Control Situation. Trimming all the way Down is done to reduce Bow Lift getting on Plane and running at very low Planing Speeds. Usually once on Plane, the engine is Trimmed out...
  8. jimmbo

    Trailer bearing blowout. Need help with repair(s)

    Is there an EZloader Distributor near You? When my Trailers' Axle was replaced, it was a Package Unit, Axle, Hubs, Backing Plate, and Brakes. Referring back to the Original Post. Trailer, what is its' Capacity? What condition is it in? It is almost 25 yrs old. Might be overall cheaper to...
  9. jimmbo

    Trailer bearing blowout. Need help with repair(s)

    Contact EZLoader and see how much a new Axle and Hubs is. Might not be too much more than trying to repair the Damage, and that way the risk of the Wheels being Cambered or Toed In/Out is minimal
  10. jimmbo

    Evinrude 7518

    Since You are having issues with Fuel Mixture Needles, is the Float buoyant. and adjusted correctly? You say sometimes the Shift lever won't move, is the Motor running when this happens? The Mixture Needle are not use to adjust or set Idle Speed. Spark Timing is what determines the Idle Speed...
  11. jimmbo

    question on the starting a "2 cycle Merc" sticky

    Glad to hear she's running better
  12. jimmbo

    Rotary steering cable

    Buy a Wheel with about 7 or 9 Spokes. It would look fine however it sits
  13. jimmbo

    Rotary steering cable

    I gave up caring about where the Wheel pointed, back in about 1972, when I was 12
  14. jimmbo

    Throttle movement but no increase in engine rpms

    OMC did that with their biggest Outboards, the V4s up till 1969
  15. jimmbo

    Throttle movement but no increase in engine rpms

    Less than full Inches by OMC for years.
  16. jimmbo

    Throttle movement but no increase in engine rpms

    Here is what he wrote "18x14.5 4 blade aluminium to an 18 x 15.25 4 blade stainless" Diameter is usually placed before Pitch
  17. jimmbo

    Throttle movement but no increase in engine rpms

    The Al was 14 1/2 and the SS was 15 1/4 Don't know if the AL was cupped, or, actually anything about it. If the AL was already at or below the low end of the Rpm Range, then more Pitch will really drag it down, more than the usual 200rpm/in
  18. jimmbo

    Throttle movement but no increase in engine rpms

    On a Q-jet, the Secondary Throttle Shaft/Plates are moved/opened by the Throttle Linkage. An Air Valve above it is what allows Airflow. When the Choke is not fully opened, the Secondary Shaft is Locked and will not rotate, and a Spring on the Secondary Shaft, allows the Throttle Linkage to...
  19. jimmbo

    Throttle movement but no increase in engine rpms

    Airflow Sensor? The Air Valve over the Secondaries, is opened by the Pressure Differential that is between above and below it. It is dampened by Spring Tension.
  20. jimmbo

    question on the starting a "2 cycle Merc" sticky

    I remember the 73 Fords, missing the lower Door Skins, after one or two years, less than 6 Months if in the Salt Belt
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