K&B Manufacturing

.40 R/C ENGINE
PARTS LIST as of OCTOBER 2003

K&B 40 & Torpedo 40 Design Family

This engine evolved from the Torpedo .29, .35 & .40.
It was originally designed as a front and rear intake.

The R/C engine came with many different carburetors,
starting with latest K&B w/remote and fins, K&B w/needle and fins,
Large square with K/B engraved on front, Irvine,
Perry, small diecast body, small machined machined.

This is sorted newest to oldest

Click on picture to enlarge.
	.40 R/C # 4011 Shown with remote needle but also came with the same carb and needle attached.
	.40 ABC [PN 4050] This is the ABC version of the 4011. It came with a tuned muffler and uses remote needle. Remote needle not shown in picture. Click for>>> Owners Guide --- Exploded View
	.40 Marine [PN 4012]
	40 ABC Marine [PN 4075]





	.40 R/C Series 75 # 8011 This is almost idenical to the 4011 except it uses a very small front bearing. All the parts in the front housing are different from the 4011. Prop driver is held on by a set screw and roll pin, the prop shaft then screws into the prop driver.

Click here for prices, availabilty and on line ordering

New Part No.	Old Part No.	Description	Model	Model No.
10-4001	8252	Crankcase	Ringed	4011 early, 4012 early, 8011
10-4002	4021	Crankcase	ABC	4050, 4075
11-4001	8008	Head	Ringed -	4011 early, 4012 early, 8011
11-4002	4022	Head	ABC	4050
11-4021	8378	Water Jacket w/screws	IB ABC Ringed	4012 early
11-4022	8374	Combustion Chamber	Ringed	-
11-4023	4076	Combustion Chamber	ABC	4075
11-8720	9161	Head Assembly (fittings & screws) use 11-8721 & 11-8722		4011
11-8721	9160	Combustion Chamber	IB Ringed	4012 early, 4075
12-4001	8055	Sleeve	Ringed	4011 early, 4012 early, 8011
13-4001	8034	Piston	Ringed	4011 early, 4012 early, 8011
14-4001	4005	Ring	Ringed	4011 early, 4012 early
15-4001	4010	Wrist Pin w/ Teflon Pads	ABC Ringed	4011 early, 4012 early, 4050, 8011, 4075
16-4001	7982	Con rod early style	-	4011 early, 4012 early, 8011
16-4002	4023	Connecting Rod w/Bushings	IB, ABCIB, ABC	4050, 4075
-	7782	crankshaft	-	8011
-	8058	crankshaft - counter rotating	-	8011
17-4001	8284	Crankshaft	ABC Ringed	4011 early, 4012 early, 4050
17-4002	4077	Crankshaft (use 17-4001)	ABC	4075
17-4011	8287	Crankshaft (Counter Rotating)	-	4011 early, 4012 early
18-7780	7780	Rear Bearing (use 18-8779)	-	8011
18-8776	8776	Front Bearing	-	8011
18-8778	8778	Front Bearing	ABC Ringed	4011 early, 4012 early, 4050, 4075
18-8779	8779	Rear Bearing	ABC Ringed	4011 early, 4012 early, 4050, 4075
19-6101	6557	Prop Drive Collet	ABC Ringed	4011 early, 4012 early, 4050, 4075
-	7775	Prop Drive old style with pin for attachment	-	8011
20-4021	8330	Flywheel (Brass)	IB	4012 early
20-4022	4078	Flywheel (Aluminum)	-	4011
20-4091	4032	drive pin for old style prop driver	-	8011
20-6101	6558	Prop Driver - Collet Type	ABC Ringed	4011 early, 4012 early, 4050
21-4001	7772	Back Plate	ABC Ringed	4011 early, 4012 early, 4050, 8011, 4075
24-4090	7832	Prop Stud Kit (1/4 X 28 Thread)	ABC Ringed	4011 early, 4012 early, 4050
24-4091	4091	2� Prop Stud Kit (1/4 X 28 Thread)	-	-
25-4001		Engine Screw Set	ABC Ringed -	4011
25-4002		Engine Screw Set (Marine)	ABC Ringed	-
25-4031	6799	Muffler Screws (2)	Ringed	4011 early, 4012 early, 8011
25-4032	4043	Muffler Screws (2)	ABC	4050
25-4081	8014	Carburetor Set Screw (2) 10X32	ABC Ringed	4011 early, 4012 early, 4050, 8011, 4075
26-4001	7760	Wrist pin teflon pads	ABC Ringed	4011, 4012
27-5880	-	Idle mixture disk O-ring set of 2 (late carb)	-	-
27-5981	-	Carburetor neck O-ring	ABC Ringed	-
29-4001	8289	Gaskets - sold in set of 2	ABC Ringed	4011 early, 4012 early, 4050, 4075
29-4012	4024	Head Shim - .003 & .010	ABCIB ABC	4050, 4075
-	4057	Muffler, stud, tail and nut kit	-	4060
30-4001	8259	Muffler Complete (Screws and Plug)	Ringed	4011 early, 4012 early
30-4002	4029	Sport Muffler	ABC	4060
-	4034	Muffler Adaptor	ABC	4050
-	4035	Tuned Muffler	ABC	4050
-	4080	Front Plate Assembly	ABCIB	4075
-	8288	Front plate for counter rotation crankshaft (Early style)	-	4011 early, 4012 early
-	8290	Front Plate Assembly, Less Carburetor	ABC IB	4011 early, 4012 early, 4050, 8011
-	8359	Front Plate	-	8011
31-4001	8283	Front Plate	ABC Ringed	4011 early, 4012 early, 4050, 8011, 4075
33-4001	4017	Piston and Sleeve	ABC Aero	4050
33-4002	4019	Piston & Sleeve Assembly	ABC Marine	4075
54-8791	5191	cable collet assembly	-	4075
54-8792	5170	cable collet 3/16 id	-	4075
54-8902	8367	Pressure Fitting	ABC ABCIB IB	4011 early, 4012 early, 4050, 8011, 4075
-	5960	K&B Carburetor - .312 ID Bore (was noted to use 5965 for 4050) Must use with remote needle.	-	4050, 4075
-	5965 ?	K&B Carburetor - .312 ID Bore	IB ABCIB ABC	-
-	8354	adapter - carburetor to front housing	-	8011
-	8761	K&B Carburetor neck OD .530 ID .312 (use 5960 ?)	-	4012
-	8762	carburetor complete	-	8011
80-5901	5950	Carburetor Complete early style with needle attached	-	4011 early, 4012 early
80-5902	5970	K&B Carburetor complete for remote needle	-	4011, 4012
81-5901	5948	Carburetor Body and Barrel	-	4011 early, 4012 earl
-	5949	Carburetor Maintenance Kit	IB ABC ABCIB	4011 early, 4012 early, 4050, 4075
-	5968	Carburetor Body and Barrel	ABCIB IB ABC	4050, 4075
-	6834	Carburetor Snap Ring	ABCIB	4075
83-5622	5622	Carburetor control arm	-	-
84-5946	5946	Low speed screw (eccentric) and spring early carburetor with needle attached	-	4011 early, 4012 early
85-5802	9176	Low Speed Disc w/O-ring	ABC IB ABCIB	4050, 4075
87-5665	5665	Needle valve assembly for early style with needle on carburetor	-	4011 early, 4012 early
99-9255	9255	Remote Needle Valve	ABC IB ABCIB	4050,4075

OLD STYLE SQUARE CARBURETOR
New Part No.	Old Part No.	Description	Amount
-	5220	Carburetor barrel spring early square carburetor (use 83-0102)	1.25
-	7737	Needle (bent wire type)	3.90
-	7739	Needle valve collet and lock nut	4.50
27-0183	8669	idle needle O-ring	.80
-	8738	Carburetor Barrel (early square carburetor)	NLA
85-0102	8741	Idle needle less O-ring	5.00
-	8742	Idle needle housing	4.50
83-8701	8743	Throttle Arm	2.00
-	8761	early square carburetor complete	NLA
-	8767	Idle adjustment screw and nut	4.50
-	8785	Carburetor body	NLA

NA -- Not Available (temporarily out of stock and may be available within the next 6 months)
NLA -- No Longer Available (not likely to be produced again)

K&B Homepage

MECOA Homepage

Aero Engines • Auto Engine • Marine Engines
Accessories • Prices & Availability • Parts Lists & Owner's Guide • Repair information
FAQ (engine operations) • Warranty • How to Order • How to Contact Us

No part may be reproduced without written permission from
MECOA/K&B -- P.O. Box 98 -- Sierra Madre, CA 91025 U.S.A.

©2004-1998 Model Engine Corporation of America, All rights reserved. K&B and the oval logo are Registered Trademarks of Model Engine Corp. of America Registered U.S. Patent Office

©2004-1998 Model Engine Corporation of America, All rights reserved.
K&B and the oval logo are Registered Trademarks of Model Engine Corp. of America
Registered U.S. Patent Office