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Keihin Flat CR Downdraft
Application Order No.
28-33 FCR-D 018-865
35-39 FCR-D 018-866
41 FCR-D 018-867
018-866
All Downdraft FCR
Size Keihin No. Order No.
1.00 N361-03-1.00 021-218
1.20 N361-03-1.20 021-219
1.40 N361-03-1.40 021-220
1.60 N361-03-1.60 021-221
1.80 N361-03-1.80 021-222
2.00 (Std) N361-03-2.00 021-223
2.20 N361-03-2.20 021-224
2.40 N361-03-2.40 021-225
2.60 N361-03-2.60 021-226
O-Ring, Valve Seat 16958-397-7710-M1 021-047
Screw, Valve Seat 0118-804-1100 021-049
Float Valve (Needle Valve) 16155-ZG8-L100 018-676
Clip, Float Valve 0405-019-1000 018-674
KeihinFCRDowndraft&Horizontal Carball
Order No. 018-860
Accelerator Pump Rebuild Kit - 8 piece Kit
KeihinFCR Needle Valve Seats
Valve Seat diameter should be determined according to maximum fuel
flow and fuel pressure. Valve Seat only, Sold each.
Sudco Keihin FCR Carburetor Rebuild Kits
Sudco Methanol Conversion Kit
This Methanol Kit from Sudco includes all the necessary components:
main jets, needles, needle valves, etc. All the jetting required to convert
your Keihin FCR carburetor to methanol usage.
Sold as a kit. Note: Requires experienced tuner or technician
familiar with rejetting for methanol usage.
Sudco Accelerator Pump Rebuild Kit for
Keihin FCR Carburetors
Genuine “KEIHIN” replacement parts. Kits include diaphragm, spring,
“u-ring,” o-ring, and 4 x 8mm screws. Kits available for Keihin Downdraft
& Horizontal carbs and Keihin FCR-MX carb. Made in Japan.
Each kit contains genuine KEIHIN parts to rebuild one Keihin Flat-CR
Smoothbore carburetor body. Order per kit needed, one or more
depending on number of carbs on bike. Made in Japan.
H - Horizontal Carburetor D - Downdraft Carburetor
Application Order No.
32-33 FCR Downdraft & Horizontal 018-858
35-41 FCR Downdraft & Horizontal 018-859
018-860
Keihin Flat CR Horizontal
28-33 FCR-H 018-865
35-39 FCR-H 018-870
41 FCR-H 018-871
Keihin FCR-MX Horizontal
FCR-MX37, 39, 41 020-319
FCR-MX37, 39, 41 w/ Air Cut-Off Valve/Hot Start 020-320
FCR-MX37, 39, 41 w/ Air Cut-Off Valve/Hot Start/TPS 020-321
Qt OEM Reference Description
Qt1 1201-858-2400 Diaphragm
Qt1 1300-142-2000 Spring
Qt1 W9353-36000 U Ring
Qt1 W9351-19058 O-Ring
Qt1 1028-825-2001 Rubber Cap
Qt3 0136-808-1100 4 x 8mm Screw
All Horizontal FCR
3.20 (Std) N361-04-3.20 021-240
3.40 N361-04-3.40 021-241
3.60 N361-04-3.60 021-242
3.80 (Std on singles) N361-04-3.80 021-243
4.00 N361-04-4.00 021-244
O-Ring, Valve Seat 16958-397-7710-M1 021-047
Screw, Valve Seat 0118-806-1100 021-250
Float Valve (Needle Valve) 1062-814-2100 018-504
Clip, Float Valve 0405-019-1000 018-674
FCR Parts & Accessories
Description Order No.
FCR-35 950-055
FCR-39 950-056
FCR-41 950-057
FCR Carburetor Side Decals
FCR carburetor decals 4.75” x 3.125”. Sold each.
950-055 950-056
950-057