FCR SINGLE EXPLODED VIEW
FCR28, FCR32, FCR33, FCR35, FCR37, FCR39, FCR41

FCR Rebuild kits, 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 Carb
D - Downdraft Carb
Sample kit photo below

Keihin Flat CR Horizontal
41 FCR-H 018-871

FCR Accelerator Pump Rebuild Kits for
Keihin FCR Carburetors

For FCR 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.

Keihin FCR Downdraft & Horizontal Carb all Order No. 018-860
Accelerator Pump Rebuild Kit - 8 piece Kit
Qt OEM Reference Description
Qt1 1201-055-2101 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

FCR Cable Choke Assembly

For FCR single carburetor. Sold as an assembly.
Order No. 018-977
Contains the following parts:
Qt Description
1 Starter Valve
1 Coil Spring
1 Cap
1 Rubber

Methanol Conversion Kit

This Methanol Kit 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
familar with rejetting for methanol usage.

Application Order No.
32-33 FCR Downdraft & Horizontal 018-858
35-41 FCR Downdraft & Horizontal 018-859

Keihin FCR Needle Valve Seats

Valve Seat diameter should be determined according to maximum fuel flow and fuel pressure. Valve Seat only, Sold each.

All Downdraft FCR

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
2.20 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
Clip, Float Valve 0405-019-1000 018-674

All Horizontal FCR

3.40 N361-04-3.40 021-241
3.60 N361-04-3.60 021-242
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) 018-504 CRP00130
Clip, Float Valve 0405-019-1000 018-674

FCR AIR CLEANER/AIRBOX ADAPTERS FOR REMOVABLE BELL CARBS

Screws to mount airbox adapters 021-012

FCR28 - FCR33 2-1/4” (57mm) 28mm 021-211
FCR35 - FCR41 2-7/16” (62mm) x 66mm OA 28mm 021-212
FCR35 - FCR41 2-1/4” (57mm) 40mm 021-213
FCR35 - FCR41 2 bolt to Kawasaki Airbox 39mm 021-214
FCR35 - FCR41 2-11/16” (68mm) 28mm 021-215
FCR35 - FCR41 Raptor (O.D.52mm) 27mm 021-600
FCR35 - FCR41 FCR to H-D® CV 3 bolt 34mm 021-601
FCR35 - FCR41 Big Twin, sportster 883/1200 31.5mm 021-601A
FCR35 - FCR41 TRX450/XR650R 49mm (O.D.62.4mm) 021-612
FCR35 - FCR41 YFZ450 (O.D. 58.3mm) 23.5mm 021-613
FCR35 - FCR41 FCR-MX OEM (O.D. 56mm) 21.5mm 021-614