Briggs & Stratton 3.5 HP Horizontal (Model 91202, Type 1016) - Specs and Service Data
The classic 3.5 HP horizontal flathead - tillers, edgers, and splitters - documented at Model-Type level, the level at which its shaft is a fact.
Variant: Type 1016 build
Specs last verified Oct 28, 2026 against the sources shown.
Full specifications
Specifications grouped by system.
01 Engine
- Bore x Stroke65.09 x 44.45 mm (Briggs & Stratton)
- ConfigurationL-head (flathead), single cylinder, horizontal shaft, air-cooled (Briggs & Stratton)
- Displacement148 cc (Briggs & Stratton)
- Power3.5 HP (gross) (Dealer spec blocks)
02 Capacities and Service
- Oil capacity21 oz (Briggs & Stratton)
03 Shaft and Fitment
- Shaft diameter3/4 in (Dealer spec blocks)
- Shaft length2-5/16 in (Dealer spec blocks)
Service data
Service specifications for rebuilds and tune-ups.
- Valve clearance - intake0.005-0.007 in (Briggs & Stratton)
- Valve clearance - exhaust0.007-0.009 in (Briggs & Stratton)
- Cylinder head bolt torque140 in-lb (Briggs & Stratton)
- Spark plug gap0.030 in (Briggs & Stratton)
- Oil typeSAE 30 or 10W-30 (5W-30 below 40 F) (Briggs & Stratton)
Service figures are for this model stamp as published - check your operator manual before a rebuild.
Find and decode your stamp
This engine's stamp reads: Model 91202, Type 1016, the Code is stamped per engine and gives its build date.
paste the whole stamp into the Briggs & Stratton decoder for the build date and what each part means.
Repower - what it replaces
Briggs replacement-engine forms map classic horizontal Types to modern OHV horizontals (e.g. 130200-series Types to 126312/121332 class); match shaft diameter, length, and throttle configuration by full Model-Type.