725 EXi Series
7.25 GROSS TORQUE
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Introducing Briggs & Stratton new EXi Series Engines. Redesigned from the ground up, EXi Series Engines are equipped with the best of everything we have to offer. With the ReadyStart Starting System there is no prime, no choke, no worries-just pull for power. EXi Series is the first walk-behind mower engine featuring Just Check and Add so you’ll never need an oil change-ever. Powerful, durable, easy to maneuver and easy to maintain, EXi Engine Series. It’s engines made easy.
Briggs 7.25 TPÂ 163cc
7/8″Â x 1-13/16″ shaft, tapped 3/8″-24 with 3/16″ keyway.
Non-compliance engine, heavy flywheel.
Fixed Speed Throttle design
Universal replacement engine for pressure washers, log splitters, and other types
of engines that do not need a flywheel brake, or that have a mower blade attached.
Ready Start, no choke- no priming.
3900 rpm top speed setting.
Model 104M02-0224
28 lbs
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Technical Specifications
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| Model Series | 104M |
| Power Lbs/Ft of Torque | 7.25 |
| Engine Series | 725 |
| Displacement | 163 |
| Oil Capacity | 16 oz (0.5 l) |
| Valve Configuration | OHV |
| Flywheel Torque | 60 lb/ft (81.5 Nm) |
| Governor Arm Torque | 30 lb/in (3.5 Nm) |
| Plug Gap | 0.03 in (0.75 mm) |
| Intake Valve | .004-.008 in (.10-.20 mm) |
| Exhaust Valve | .004-.008 in (.10-.20 mm) |
| Idle Speed | 1750 |
| Air Gap | .006-.014 in (.15-.36 mm) |
| Flywheel Puller Part | 19619 |
| Flywheel Holder Part | 19433 |
| Connecting Rod Torque | 100 lb/in (11.5 Nm) |
| Sump Torque | 115 lb/in (13.0 Nm) |
| Head Torque | 140 lb/in (16.0 Nm) |
| Top No Load (rpms) | 3900 +/- 0100 RPM – No Load |
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