1) What *precisely* is the purpose of incorporating the 7/16" spark-gap setup prior to performing the Reeves timing procedure? -- I mean, what effect does the size of the spark-gap have on the timing parameters? ((why wouldn't we want to use the operating gap (.030) of the actual plug used...
Based on model# & Serial# given below, can anyone tell me whether this engine is a Crossflow or Looper design??
I've spent at least an hour searching for clues... and totally failed. (( Just trying to find the proper spark plugs for it -- it really shouldn't be this hard to figure out!!)) :-(...
A buddy & I picked up a used '95 Johnson 90 over this weekend (J90TLOER). My only experience is with the Seloc books for much older Seahorse-115's and they of course don't cover this model. Also, the previous owner said he had a marine mechanic disable the VRO.. and there are a few loose...
I'm suspecting an intermittent powerpack spark dropout --- this despite OK DMM & DVA cranking tests..(?)
Working on a 1973 115hp V4. Recently got it running after sitting for several years, but now having variable rpms changes at idle & low-to-modest throttle speeds.
I'm happy to provide...
I recently acquired a 1973 Johnson 115hp motor from a fellow who had owned it himself for about 5 yrs. As the story goes..he got it from the first & original owner who was a state Parks & Wildlife employee. The supposition & superficial evidence was that the motor had been generally well cared...
