1937 Model Year

Designed by Steve Andres

Designed by Steve Andres


Model Name: 1937 OB11 Neptune
Original carburetor Tillotson MS-73B
Magneto Eisemann Model 61B
Cylinders 1
B x S 2 1/16” x 1 1/2
HP 2
Point gap 0.020
Sheer pin 5/32” x 1″
Oil 2/3 pt. SAE-30 per Gal.
Tank
Exhaust
Lower unit
Rope plate Neptune


Model Name: 1937 OB12A Neptune
Original carburetor Tillotson MS-73B
Magneto Eisemann Model 61B
Cylinders 1
B x S 2 1/16” x 1 1/2
HP 2 @ 2800 RPM
Point gap 0.020
Sheer pin 5/32” x 1″
Oil 2/3 pt. SAE-30 per Gal.
Tank
Exhaust
Lower unit
Rope plate Neptune


Model Name: 1937 OB17 Neptune
Original carburetor Tillotson MS-47B
Magneto Eisemann Model 82D
Cylinders 2
B x S 2 1/2” x 2″
HP 16 @4000 RPM
Point gap 0.020
Sheer pin 7/32” x 1″
Oil 1 pt. SAE-30 per Gal
Tank Sheet aluminum
Exhaust Under water
Lower unit Non stream lined ball bearing
Rope plate Neptune


Model Name: 1937 OB17A Neptune
Original carburetor Tillotson MS-47B
Magneto Eisemann Model 82D
Cylinders 2
B x S 2 1/2” x 2″
HP 16 @4000 RPM
Point gap 0.020
Sheer pin 7/32” x 1″
Oil 1 pt. SAE-40 per Gal
Tank Sheet aluminum
Exhaust Under water
Lower unit Non stream lined ball bearing
Rope plate Neptune


Model Name: 1937 OB35 Neptune
Original carburetor Tillotson MS-45B
Magneto Eisemann Model 72A
Cylinders 2
B x S 2 1/16” x 1 1/2
HP 4 @ 3000 RPM
Point gap 0.020
Sheer pin 5/32” x 1″
Oil 2/3 pt. SAE-30 per Gal.
Tank Cast aluminum smooth
Exhaust Above water
Lower unit Plain bearing
Rope plate 6″ sand cast Neptune


Model Name: 1937 OB35A Neptune
Original carburetor Tillotson MS-45B
Magneto Eisemann Model 72A
Cylinders 2
B x S 2 1/16” x 1 1/2
HP 4 @ 3000 RPM
Point gap 0.020
Sheer pin 5/32” x 1″
Oil 2/3 pt. SAE-30 per Gal.
Tank Cast aluminum smooth
Exhaust Above water
Lower unit Plain bearing
Rope plate 6″ sand cast Neptune


Model Name: 1937 OB65 Neptune
Original carburetor Tillotson MS-45B
Magneto Eisemann Model 72A
Cylinders 2
B x S 2 1/16” x 1 1/2
HP 6 @ 3400 RPM
Point gap 0.020
Sheer pin 5/32” x 1″
Oil 2/3 pt. SAE-30 per Gal.
Tank Smaller sheet aluminum
Exhaust Under water
Lower unit Ball bearing
Rope plate 6″ Neptune


Model Name: 1937 OB65A Neptune
Original carburetor Tillotson MS-45B
Magneto Eisemann Model 72A
Cylinders 2
B x S 2 1/16” x 1 1/2
HP 6 @ 3400 RPM
Point gap 0.020
Sheer pin 5/32” x 1″
Oil 2/3 pt. SAE-30 per Gal.
Tank Sheet aluminum
Exhaust Under water
Lower unit Ball bearing
Rope plate Neptune