Small Engines (Lawn Mowers, etc.): Ignition Armature Question on Briggs & Stratton 3.5hp engine, briggs stratton, steering wheel puller

Question
B&S Model number 92908 engine type 1678 serial 80110405
Hi, could you please advise me of the correct gap for ignition magneto armature to the magneto flywheel?
Also, does this model have points and a condenser that need changing from time to time ? Many thanks

Answer
Hello Alun:

According to the Engine Breakdown, this Engine Does Use a Point Set Under the Flywheel. If the Spark Plug is Not Firing on this Model, Usually the Cause is the Point Set Condensor or the Contacts are Bad and the Point Set Requires Replacing. The Following is the Instruction File I Made for Removing the Flywheel and Replacing the Point Sets of Most Older Mower Engines. It is the Basics and if you have a Question, Please Ask. Any Input to Make this File Better is Appreciated. ***Disconnect the Coil Wire from the Spark Plug. Remove the Blower Housing (metal engine cover). Remove the Coil. Remove the Flywheel Nut or Starter Cup (Depends on the Model). Now Attach a Steering Wheel Puller to the Flywheel Using the Threaded Holes in the Flywheel. Tighten the Puller. Now Hit the Puller with a Hammer. Repeat this Procedure Until the Flywheel Pops Up or can be Lifted Off the Crankshaft. On Some Models you Can Not Use a Puller and Must Use a Pry Bar and a Pipe Cap that is Slightly Larger than the Crankshaft. Place the Pipe Cap Over the Crankshaft to Protect it. Place the Pry Bar Under the Thick Section of the Flywheel and Pull Up Against the Flywheel. **BE CAREFUL  DO NOT PUT A HOLE IN THE BLOCK UNDER THE FLYWHEEL** Now Hit the Pipe Cap that is on the Crankshaft (covered with the Pipe Cap). Repeat the Procedure Until the Flywheel can be Lifted Off the Crankshaft. *** Be Sure you have the Flywheel Torqued to the Proper Torque (I require the Model and Spec/Type Numbers Off the Engine to Provide the Proper Torque) and Set the Coil Gap to .020in.. The Point Set is Under a Cover Under the Flywheel. The Point Gap is Set by Slowly Turning the Engine By Hand and Holding the Point Set Plunger with your Finger. When you Feel the Plunger is at the Outer Most Point of its Movement, then Stop Turning the Engine and Using a Blade Style Feeler Gauge, Set the Point Set at .015in - .020in. . The Point Set and Coil/Magneto is Gapped to .015in. - .020in. You can View a Breakdown/IPL of the Engine at this Site Addy; http://www.briggsandstratton.com/maint_repair/manual_and_more/doclist.aspx?categ... and Enter the Model Numbers (92908) and the First 4 Type Numbers (1678) in the Appropriate Boxes and Click GO. Then Select Download PDF. If you Hit a Snag or this Does Not Correct the Problem,  I am Here if You Require More Assistance. Hope this Helps. Let me Know What Happens, Please. I Hope you Had a Happy Holiday Season and May the All Mighty Bless You and Yours. Be Safe and Happy. Thanks.

Good Luck

Respectfully

John

PS: I am Allowed to Answer 10 Questions a Day. If you See I am Maxxed Out, then Try Submitting your Question at or Just After 8pm EST (US). My New Day Starts then. Comments and Ratings are Greatly Appreciated. Thanks.

Respectfully

John


Hello Again Alun:

Hi Bert:

I Just Read your Post and had a Few Moments to Say Thanks for the Ratings and the Comments. I Suggest you Ask about the Nova 2 (Rotary #8687) Electronic Ign Module that will Replace the Point Set. You Do Not have to Remove the Flywheel. Just Cut the Wires going to the Point Set and Connect the Wires to the Nova 2 Unit as Instructed (Instructions included in box) and Attach the Nova 2 to the Outside of the Engine. Thank you for Using All Experts Also. Till Next Time. May All Your Mechanical Problems be SMALL ONES and May the All Mighty Bless You and Yours. Thanks Again.

Best Wishes and Good Luck

Respectfully

John