Briggs & Stratton — Hone Cylinder
Repair & overhaul
From a Briggs & Stratton service manual — check it applies to your exact model before use.
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Before you start
- The entire cylinder and crankcase must be thoroughly cleaned after honing; honing grit is highly abrasive.
Procedure
- Fasten cylinder to a honing fixture with four crankcase cover screws.
- Clamp fixture and cylinder in a vise at a convenient work height.
- Place wood block inside cylinder to limit hone travel to 19-25 mm (3/4"-1") below bore.
- Place hone in middle of cylinder bore; tighten adjusting knob until stones fit snugly.
- Lubricate hone; run drill at 300-700 RPM and 40-60 strokes per minute.
- Increase stroke length until hone travels full length of bore.
- Check bore frequently with telescoping gauge Tool #19198 and dial caliper Tool #19199.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Drill speed 300 to 700 RPM maximum
- 40-60 strokes per minute
- Oversizes .25 mm (.010"), .51 mm (.020"), .76 mm (.030")
Source: Briggs & Stratton service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.