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Mountfield SP41 Petrol Lawnmower, Self-Propelled, 39cm cutting width, 123cc ST120 Autochoke petrol engine, Up to 250m², Includes 40L Grass Collector
Mountfield SP41 Petrol Lawnmower, Self-Propelled, 39cm cutting width, 123cc ST120 Autochoke petrol engine, Up to 250m², Includes 40L Grass Collector

Swapping a Tecumseh for a Cobra

Started by amatureleccy, October 08, 2024, 11:30:02 PM

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amatureleccy

October 08, 2024, 11:30:02 PM
This question, isnt just about swapping engines, but about swapping an engine that drives a rear cylinder (by cylinder, I mean roller) with and engine that drives normal wheels. 

I have a Hayter mower with a rear cylinder drive.  The engine is a Tecumseh BVS 153 ES.  The rear cylinder is connected to the motor via pulley that protrudes horizontally from the side of the engine which drives a belt that is connected to the side of the cylinder.  This is different from a wheeled mower where a pulley on the vertical blade axle drives a belt that is connected to a pulley on the gears box on the rear axle.

I have a spare motor with the latter arrangement. 

QUESTION = Are they nterchangeable.

Thanks all for sharing any thoughts.
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