Jacobsen

JACOBSEN TWO-CYCLE ENGINES – RECOMMENDED GOVERNOR SPEEDS
Below is some information regarding the various Jacobsen machines, their uses, and the speeds at which they should be run.
Machine Number Uses Size Idle Speed Top Speed
*Governor: Speed control on handle.
(Source: Some of the data are from “Small Engines Service Manual”)
8020 Scepter 20″ 1500-1800 3000-3200
80A20 Scepter 20″ 1500-1800 3000-3200
35025 Commercial Rotary 20″ 1500-1600 3200-3400
*3028 Commercial Rotary 20″ 2400-2600 3200-3400
32028 Commercial Rotary 20″ 2400-2600 3200-3400
32031 Robust 20″ 1500-1700 3200-3400
9620 Snow Jet 20″ 1500-1800 3600-3800
96A20 Snow Jet 20″ 1500-1800 3600-3800
52002 Snow Jet 20″ 1700-1900 3600-3800
32114 4-Blade Rotary 21″ 2400-2600 3200-3400
42114 4-Blade Rotary S.P. 21″ 2400-2600 3200-3400
42118 4-Blade Rotary S.P. 21″ 2400-2600 3200-3400
42119 4-Blade Rotary S.P. 21″ 2400-2600 3200-3400
3921 Turbo-Cut 21″ 1500-1800 3200-3400
39B21 Turbo-Cut 21″ 1500-1800 3200-3400
39C21 Turbo-Cut 21″ 1500-1800 3200-3400
119-21 Turbo Cone 21″ 1500-1600 3200-3400
3521 Turbo-Cut 21″ 1500-1800 3500 max.
35C21 Turbo-Cut 21″ 1500-1800 3500 max.
35D21 Turbo-Cut 21″ 1500-1800 3500 max.
35E21 Turbo-Cut 21″ 1500-1800 3500 max.
35F21 Turbo-Cut 21″ 1500-1800 3500 max.

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