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1973 v4 115 Johnson starting problem... Ideas
Have a 1973 Johnson 115v4. She had a intermitted starting problem that
has turned for the worse. It almost wont start at all now. Last year we had the carbs rebuilt. This didnt really help. but did help the fuel usage. When shes running.. She runs great, smooth all that.. Its starting thats the main problem and then sometimes at idle it runs rough and is hesitant. Starting- If the battery is full charged SOMETIMES it will start. but it has to be a really fresh new battery. But when we try to start it on the lake with a less than 100% fresh battery.. It wont start, wont even fire when we spray ether into the intak. I can pull a plug and its either weak or no fire. Last season we connected 2 batterys together. This worked for awhile.. it would start every time for a time. Now thats not working. And sometimes now not even jumping is starting it. I replaced the starter last year too to make sure she was cranking 100%. I only have two ideas now that I think is the problem. Either the powerpack is going out. Or the stator under the flywheel needs replacing. Does anyone have any other thoughts on what this could be? Thanks, Nathan |
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1973 v4 115 Johnson starting problem... Ideas
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#4
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1973 v4 115 Johnson starting problem... Ideas
"Calif Bill" wrote in message news:Wzc_b.4247
Pull the flywheel and check the coils on the stator. My early 70's 'Rude snowmobile used to have those coils expand and crack. Same as some of those vintage O/B's. I got a couple of replacements off wrecking yard rudes. Bill I grew up around snowmobiles, and never saw an Evinrude one. Do you have any pictures, or links? I'd like to take a look at this Evinrude snowmobile. |
#5
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1973 v4 115 Johnson starting problem... Ideas
On 23 Feb 2004 07:33:09 -0800, (basskisser) wrote:
"Calif Bill" wrote in message news:Wzc_b.4247 Pull the flywheel and check the coils on the stator. My early 70's 'Rude snowmobile used to have those coils expand and crack. Same as some of those vintage O/B's. I got a couple of replacements off wrecking yard rudes. Bill I grew up around snowmobiles, and never saw an Evinrude one. Do you have any pictures, or links? I'd like to take a look at this Evinrude snowmobile. http://www.millville.org/Workshops_f...ools/snow.html http://www.umit.maine.edu/~christoph...y/omc-info.htm Later, Tom S. Woodstock, CT ---------- Basic Fishing Program: 10 - Fish 20 - Eat 30 - Sleep 40 - Goto 10 |
#6
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1973 v4 115 Johnson starting problem... Ideas
Wankle powered. 35 hp about 80 mph in our version. They also changed the
carb system for 45 HP for the racing units. Was a great machine. Rode 2 adults comfortably and had a reverse gear. Somewhere we have pic's. My kids loved driving that thing. But when you are 8-12 years old, is fun to drive anything, including the dune buggy. Bill "Short Wave Sportfishing" wrote in message ... On 23 Feb 2004 07:33:09 -0800, (basskisser) wrote: "Calif Bill" wrote in message news:Wzc_b.4247 Pull the flywheel and check the coils on the stator. My early 70's 'Rude snowmobile used to have those coils expand and crack. Same as some of those vintage O/B's. I got a couple of replacements off wrecking yard rudes. Bill I grew up around snowmobiles, and never saw an Evinrude one. Do you have any pictures, or links? I'd like to take a look at this Evinrude snowmobile. http://www.millville.org/Workshops_f...ools/snow.html http://www.umit.maine.edu/~christoph...y/omc-info.htm Later, Tom S. Woodstock, CT ---------- Basic Fishing Program: 10 - Fish 20 - Eat 30 - Sleep 40 - Goto 10 |
#7
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1973 v4 115 Johnson starting problem... Ideas
"Calif Bill" wrote in message link.net...
Wankle powered. 35 hp about 80 mph in our version. They also changed the carb system for 45 HP for the racing units. Was a great machine. Rode 2 adults comfortably and had a reverse gear. Somewhere we have pic's. My kids loved driving that thing. But when you are 8-12 years old, is fun to drive anything, including the dune buggy. Bill Seems now that I do recall Evinrude, and Johnson snowmobiles. But, I certainly know that you didn't get 80mph out of a 35hp wankel. No way in hell. I raced BoaSki's, the last one with a 440 Rotax, dual carbs. It NEVER saw 80mph. |
#8
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1973 v4 115 Johnson starting problem... Ideas
"Calif Bill" wrote in message link.net... Wankle powered. 35 hp about 80 mph in our version. They also changed the carb system for 45 HP for the racing units. Was a great machine. Rode 2 adults comfortably and had a reverse gear. Somewhere we have pic's. My kids loved driving that thing. But when you are 8-12 years old, is fun to drive anything, including the dune buggy. Bill For more info on older snowmobiles, including the Johnson and Evirudes, go to http://www.vintagesnowmobiles.50megs.com/daves.html and http://www.umit.maine.edu/~christopher_peary/omc.htm About the hard starting V4 115hp, that motor needs at least 350 rpm at cranking to generate enough juice to charge up the ignition system capacitor and to trigger the sensor coils, telling the pack when to "fire". The sensor coil to flywheel spacing is critical and there used to be a factory tool that set that adjustment. It is also available from Rapair/CDI Electronics that can be ordered by a marine professional. Most hard starting on those motors is due to slow cranking rpm from worn starters, bad cables, or too small capacity batteries. This is assuming that the motor is is good shape internally, and that the fuel and choke systems are operational. Bill Grannis service manager |
#9
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1973 v4 115 Johnson starting problem... Ideas
"basskisser" wrote in message om... "Calif Bill" wrote in message link.net... Wankle powered. 35 hp about 80 mph in our version. They also changed the carb system for 45 HP for the racing units. Was a great machine. Rode 2 adults comfortably and had a reverse gear. Somewhere we have pic's. My kids loved driving that thing. But when you are 8-12 years old, is fun to drive anything, including the dune buggy. Bill Seems now that I do recall Evinrude, and Johnson snowmobiles. But, I certainly know that you didn't get 80mph out of a 35hp wankel. No way in hell. I raced BoaSki's, the last one with a 440 Rotax, dual carbs. It NEVER saw 80mph. Maybe the problem was FatassKisser. |
#10
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1973 v4 115 Johnson starting problem... Ideas
"Calif Bill" wrote in message link.net...
"basskisser" wrote in message om... "Calif Bill" wrote in message link.net... Wankle powered. 35 hp about 80 mph in our version. They also changed the carb system for 45 HP for the racing units. Was a great machine. Rode 2 adults comfortably and had a reverse gear. Somewhere we have pic's. My kids loved driving that thing. But when you are 8-12 years old, is fun to drive anything, including the dune buggy. Bill Seems now that I do recall Evinrude, and Johnson snowmobiles. But, I certainly know that you didn't get 80mph out of a 35hp wankel. No way in hell. I raced BoaSki's, the last one with a 440 Rotax, dual carbs. It NEVER saw 80mph. Maybe the problem was FatassKisser. You are a lying sack of ****, Bill. There is absolutely NO WAY you had a damned 35hp Wankel powered Evinrude snowmobile going 80mph. By the way, for the record, at the time, I weighed less than 140 pounds, gear included. |
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