does anyone know the conversion of the jet size # to drill size or fractional size? I am decreaseing mid range air to increase fuel, currently run 16+ 20,s I can change the 20's to 16's but I like to change the 16,s to 12's. I have other assorted jet sizes I can change if I know the coverstion...
looking for carb bodies and throttle plates for a 1986 evinrude 140. emulsion tubes have erodded, stalls thru midrange but if hit the primer takes off 6000 rpm. I understand that it has to have match throttle bodies and carbs. any ideas?
I have 17' mako with a 140 evinrude, it also has a jack plate, the cavitation plate should be even with bottom of the boat. does the 6" set back of the jack plate change this height? :confused:
I have a 140 on a 1974 mako center console, I have owned this boat for five years with the same performance problem. It idle, boysen reed. but when I power up It takes a long time to get thru mid range, and then runs great on the high speed jets. carbs have been clean and rebuilt 3 times since...
I have a 140 on a 1974 mako center console, I have owned this boat for five years with the same performance problem. It idle, boysen reed. but when I power up It takes a long time to get thru mid range, and then runs great on the high speed jets. carbs have been clean and rebuilt 3 times since...
I'm installing boysen reed in my 140, I also can't find my instructions that came witn them. I know to jet the idle air jet 5 sizes smaller to richen the circiut, but on the base of the reeds are a strip of metal, does this sit against the reed body or against the metal plate that holds the...
I had a small leak on this boat for 5 yrs never find it. I finally decided tto look below the console where the fuel tank is located. I cut the tank liner out and found a crack about 6 inches long that is situated over the trailer bunk, also found that it had been repaired at one time but not...
I have a 1986 140 hp evinrude looper, the part # for the timer base is I believe # 583379, my question is will a 1.6 seadrive # 583289 work on my 140hp. I thought I read a post here that the sea drives are loopers as well. Thanks in advance
1st question- where can I find amphenol socket connectors, I have a broken one on my tack that is keeping it from working set off the warning horn.<br />2nd- I am getting a slight surge at about 4500-5100 rpm. the surge is very regular about every 10-15 seconds and the rpms change about 100rpms...
looking for tune up specs on a model AQ125A 4 cyl volvo stern drive. I.E. Point gap or dwell, timing, plugs and gap. I'm not sure of year but looks like early 80's
between 4200 and 5000 rpm engine runs strong but when trimmed out will drop 200 rpm and within 1 minute will pick back up. If I lower the motor and put more of a load on the motor the rpms smooth out no problems. Thinking possibly a poor connection stator/power pack. Anybody have some insight...
I'm replacing a drive shaft for I believe is a 1971 50hp lark. I don't have the engine in front of me but I have a chance to buy a used replacement. The model # is 50173S serial #E16485 can anyone one tell me what the shaft lenth would be on this model. Thanks :)
