K & B 

Model Inboard Marine Engines

4012 K&B .40 Marine R/C W/MUFF

Engine Exploded View  *  Carb Exploded View

Specifications
Model 4012
Size .40 cu. in.
Bore 0.84
Stroke 0.72
H.P. 1.0
RPM 2000~13,000
Weight 16.5 oz.
Prop. P-230
$165.00
5100 K&B.67 RC Inboard

Engine Exploded View  *  Carb Exploded View

Specifications
Model 5100 5350 5390
Size 11cc
(.67 cu. in.)
13.5cc
(.82 cu. in.)
15cc
(.91 cu.in.)
Bore 0.962 1.04 1.1
Stroke 0.92 0.96 0.96
H.P. 3.75 4.2 4.8
RPM 2000~23,000 2000~23,000 2000~22,000
Weight 25.2 oz. 24.5 oz. 23 oz.
Prop P-255 P-255 P-260
$450.00
5350 K&B .82 RC Inboard Marine

Engine Exploded View  *  Carb Exploded View

Specifications
Model 5100 5350 5390
Size 11cc
(.67 cu. in.)
13.5cc
(.82 cu. in.)
15cc
(.91 cu.in.)
Bore 0.962 1.04 1.1
Stroke 0.92 0.96 0.96
H.P. 3.75 4.2 4.8
RPM 2000~23,000 2000~23,000 2000~22,000
Weight 25.2 oz. 24.5 oz. 23 oz.
Prop P-255 P-255 P-260
$450.00
5390 .91 R/C Inboard Engine

Engine Exploded View  *  Carb Exploded View

Specifications
Model 5100 5350 5390
Size 11cc
(.67 cu. in.)
13.5cc
(.82 cu. in.)
15cc
(.91 cu.in.)
Bore 0.962 1.04 1.1
Stroke 0.92 0.96 0.96
H.P. 3.75 4.2 4.8
RPM 2000~23,000 2000~23,000 2000~22,000
Weight 25.2 oz. 24.5 oz. 23 oz.
Prop P-255 P-255 P-260
$450.00
7525 K&B 7.5 Inboard new style

Engine Exploded View  *  Carb Exploded View

Specifications
Model 4012
Size .40 cu. in.
Bore 0.84
Stroke 0.72
H.P. 1.0
RPM 2000~13,000
Weight 16.5 oz.
Prop. P-230
$345.00
8821 K&B .18 Marine Engine

Engine Exploded View  *  Carb Exploded View

Specifications
Bore & Stroke
16.4 mm x 13.5 mm ---
0.646" x 0.531"
Displacement
3 ccm --- .18 cu. in.
Weight
7.95 oz.
Horsepower
1.15 with tuned pipe
& 30% nitro
Practical RPM range
2,500 ~ 28,000
Max RPM
32,000
Prop size
Prather Prop 215
Pull starter
included
Muffler/pipe
not included
$119.99
8916 K&B 3.5cc R/C Inboard

Engine Exploded View  *  Carb Exploded View

Specifications
Model 8916
Size 3.5cc
(.21 cu. in.)
Bore 0.65
Stroke 0.64
H.P. 1.25
RPM 2000~25,000
Weight 9.9 oz.
Prop. P-225
$240.00
9181 K&B 7.5cc Inboard Engine Old Style

Engine Exploded View  *  Carb Exploded View

Specifications
Model 9181
Size 7.5cc
(.45 cu.in.)
Bore 0.87
Stroke 0.76
H.P. 2.2
RPM 2000~25,000
Weight 14.7 oz.
Prop P-235
$280.00