General Specifications
HP / kW
10 HP / 7.5 kW
Displacement
269 cc (16.4 cu in.)
Cylinders
2 (Inline-2)
WOT RPM
4000 - 4500
Weight
29 kg / 64 lbs
Drive & Lower Unit
Gear Ratio
1.60:1
Shaft Length
15
Electrical System
Alternator Output None / Magneto Only
Starting System Manual
Technical Maintenance Toolkit
Verified service specifications for the Scott-Atwater 10hp Bail-a-Matic (1955)
Lubrication
Engine Oil
SAE 30 or TC-W3
Gearcase Lube 200 ml
Ignition System
Spark Plug
Champion J6C
Firing Order 1-2-3-4
Performance Specs
Idle RPM 700 ± 50
WOT Range 4000-4500
Alternator None
Standard Maintenance Intervals
20H Break-in Service
100H Annual Tune-up
300H Water Pump & Seals
Identification
The serial number for the Scott-Atwater 10hp Bail-a-Matic is typically found on a plate located on the transom bracket.
Technical Toolkit
Maintenance Compatibility
These models share common service parts with the Scott-Atwater 10hp Bail-a-Matic:
Model Evolution
History of the Scott-Atwater 10HP series over the years:
Standalone production year.
Category Discovery
Reference Data
Information compiled from Scott-Atwater Marine factory service manuals and original sales literature published in 1955.