- Briggs and Stratton 3.5 hp lawnmower engine problem - 5 Updates
- Telko SY052X - 1 Update
| N_Cook <diverse@tcp.co.uk>: May 25 06:49PM +0100 > I apologize if part of this seems off topic but I thought that the electronic component of it might be on. I have this 3.5 horse engine on my old push mower. The engine is about 38 years old now but the mower is used very infrequently so the hours are not that bad. About 5 or 6 years ago I replaced the old OEM coil that used points, with a used newer electronic type that eliminates the points. The mower is on it's third carburetor, gas tank and second deck but it has always started ok. I tried to start the mower this morning and as sure as my wife said, (I hate it when she's right), "You'll never start that old thing", it wouldn't start. Long story short there is no HV spark to the plug. It seems as though the coil is bad again. I was going to hit up a few used lawnmower places to try to get a replacement coil because I have no engine numbers on my machine to look up the part but I was wondering if anyone knows if it's possible to bench test these things. Thanks for any help Lenny That reminds me I must wind up my Hayterette mower with Griggs & Stratton circa 1975 for the first time this year. IIRC ignition checks on my repair page www.diverse.4mg.com/repair4_2.htm but original with points |
| "pfjw@aol.com" <peterwieck33@gmail.com>: May 25 10:58AM -0700 > I apologize if part of this seems off topic but I thought that the electronic component of it might be on. I have this 3.5 horse engine on my old push mower. The engine is about 38 years old now but the mower is used very infrequently so the hours are not that bad. About 5 or 6 years ago I replaced the old OEM coil that used points, with a used newer electronic type that eliminates the points. The mower is on it's third carburetor, gas tank and second deck but it has always started ok. I tried to start the mower this morning and as sure as my wife said, (I hate it when she's right), "You'll never start that old thing", it wouldn't start. Long story short there is no HV spark to the plug. It seems as though the coil is bad again. I was going to hit up a few used lawnmower places to try to get a replacement coil because I have no engine numbers on my machine to look up the part but I was wondering if anyone knows if it's possible to bench test these things. Thanks for any help Lenny I admire your avoidance of landfill! If all else fails, go electric, they have come a long way since the flip-over B&Ds back in the day. But! Look for corrosion around any connections, and look for a bad spark-plug wire, carbon tracks or similar. Otherwise, these coils have a limited life in that application. Peter Wieck Melrose Park, PA |
| etpm@whidbey.com: May 25 06:12PM -0700 On Fri, 25 May 2018 08:08:06 -0700 (PDT), captainvideo462009@gmail.com wrote: >I apologize if part of this seems off topic but I thought that the electronic component of it might be on. I have this 3.5 horse engine on my old push mower. The engine is about 38 years old now but the mower is used very infrequently so the hours are not that bad. About 5 or 6 years ago I replaced the old OEM coil that used points, with a used newer electronic type that eliminates the points. The mower is on it's third carburetor, gas tank and second deck but it has always started ok. I tried to start the mower this morning and as sure as my wife said, (I hate it when she's right), "You'll never start that old thing", it wouldn't start. Long story short there is no HV spark to the plug. It seems as though the coil is bad again. I was going to hit up a few used lawnmower places to try to get a replacement coil because I have no engine numbers on my machine to look up the part but I was wondering if anyone knows if it's possible to bench test these things. Thanks for any help Lenny There were a lot of Briggs and Stratton electronic type magnetos that were prone to failure. I use a method to test suspect magnetos before I spend much time trying to find out why there is no spark. Remove the spark plug from the engine so that it turns over easily. Then stuff a rod or something similar into the the spark plug boot so that it makes good contact with the end of the spark plug wire. Now turn the engine over slowly while holding the rod. You should get at least a tingle. If no tingle then try turning the engine over a little faster. If there is a little tingle then the problem is most likely a bad connection. This could be a corroded ground wire. If, even turning the engine over fairly fast, there isn't even a tingle the magneto is bad or the kill wire is grounded. I have used this method for years and it is a really fast way to find out if the mag is probably good or not. Eric |
| tabbypurr@gmail.com: May 25 06:28PM -0700 > and it is a really fast way to find out if the mag is probably good or > not. > Eric say hi to Darwin for me. |
| Fox's Mercantile <jdangus@att.net>: May 25 09:23PM -0500 > say hi to Darwin for me. That's what these are for. <http://www.barrettsmallengine.com/tecumseh/670366sparktester.html> -- "I am a river to my people." Jeff-1.0 WA6FWi http:foxsmercantile.com |
| miljan324@gmail.com: May 25 12:05PM -0700 Looking for the manual for Telko SY052X Motion Activated Alarm System |
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