.20 & .28 R/C ENGINE
Part No. 5600
PARTS LIST
   

To tell the difference between .20 & .28
remove the back cover and look at the crankshaft,
.28 is stamped on .28 and .20 is not stamped.

The .20 came out first then the .28 --
The only design change was the remote needle.

The early .20 had a O-ring for a head gasket but this was discontinued early in the production. The .20 does not have a head gasket.
Part No. 5600
 
28 .723 bore .700 stroke --
Thread size is 4x40  --
Prop thread 1/4x28
Part #
 Description SIZE
10-5601
 CRANKCASE .20
10-5602
 CRANKCASE .28
11-5601
 CYLINDER HEAD .20 .28
15-5601
 WRIST PIN W/PAD SPORTSTER 20-28 .20 .28
16-5601
 CON ROD .20
16-5602
 CON ROD .28
17-5601
 CRANKSHAFT .20
17-5602
 CRANKSHAFT .28
20-5601
 PROP DRIVER .20 .28
20-5691
 PROP DRIVER SHIM .20 .28
21-5601
 BACK PLATE .20 .28
21-5602
 RADIAL MOUNT .20 .28
24-4090
 PROP STUD/WASHER/NUT 1/4-28 X 1.5" -
25-5601
 ENGINE SCREW SET .20 .28
25-5631
 MUFFLER SCREWS .20 .28
27-5611
 HIGH TEMP HEAD O-RING -
27-5681
 CARB NECK O-RING (2-EACH) -
28-5601
 DRAW BAR .28
29-5601
 BACK COVER GASKET .20 .28
29-5612
 HEAD GASKET .28
29-5621
 BACK COVER GASKET .20 .28
30-5601
 MUFFLER COMPLETE .20 .28
30-5690
 MUFFLER ASSY .20 .28
30-5691
 MUFFLER ADAPTOR .20
30-5692
 MUFF CAPS & STUD KIT .20
30-5693
 MUFFLER BAFFLE TUBE ASSEMBLY .20 .28
33-5601
 PISTON/CYlINDER .20
33-5602
 PISTON/CYLINDER .28
33-5603
 HOP-UP KIT .25 .20
5642
 CARB BODY & BARREL .20 .28
5648
 CARB LOW SPEED ECLENTRIC SCREW & SPRING .20 .28
5652
 CARB MAINTENANCE KIT .28
5655
 MAINTENANCE KIT .20
6844
 CARB BARREL SNAP RING .20 .28
80-5601
 CARB COMPLETE, EARLY STYLE .20 .28
80-5602
 CARB (FOR REMOTE NV) .20 .28
81-5601
 CARB BODY .20 .28
82-5601
 CARB BARREL .20 .28
83-5622
 CARB CONTROL ARM , K&B . .20 .28
84-5699
 MIXTURE DISK PLUG .20 .28
85-5645
 LOW SPEED DISC EARLY STYLE .20 .28
85-5693
 LOW SPEED DISC W/O-RINGS FOR REMOTE NEEDLE VALVE .20 .28
8679
 FUEL FITTING INLET - PRESSURE TAP ALL
87-5665
 NEEDLE VALVE ASSY ALL
9255
 REMOTE NEEDLE VALVE ALL
 

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