48 DCO Diagram

Notes:
Newer 48 DCO do not have cold start covers use this diagram
older 48 DCOEs witch have cold start covers use the 45 DCOE diagram

KEY NO.	QTY	DESCRIPTION	PART NUMBER	KEY NO.	QTY	DESCRIPTION	PART NUMBER
1	1	Jet Inspection Cover	32376.003	36	1	Throttle Stop Screw	64625.015
2	9	Screw	64700.001	37	1	Pump Plunger	58602.003
3	1	Jet Inspection Cover Gasket	41550.009	38	1	Pump Rod	10410.015
4	1	Carburetor Cover	31734.199	39	2	Throttle Lock Washer	55520.004
5	1	Carburetor Cover Gasket	41715.011	40	1	Pump Rod Spring	47600.068
6	1	Float Pin	52000.001	41	2	Mixture Screw	64750.058
7	1	Float	41030.034	42	2	Mixture Screw 'O' Ring	41565.015
8	2	Emulsion Tube Holder	52580.001	43	2	Vacuum Take Off Cover	64590.008
9	2	Air Corrector	77401.xxx	44	2	Pump Jet Gasket	41535.021
10	2	Emulsion Tube	61450.091	45	1	Stud	64955.007
11	2	Idle Jet Holder	52585.006	46	1	Pump Exhaust Valve	79701.100
12	2	Idle Jet	74821.xxx	47	2	Pump Jet	76801.045
13	2	Main Jet	73401.xxx	48	2	Pump Jet Cover 'O' Ring	41565.009
14	2	Auxiliary Venturi	68820.500	49	2	Pump Jet Cover Screw	61015.008
15	2	Venturi (Choke Tube)	72136.420	50	2	Pump Demand Valve Ball	58300.003
16	4	Screw	64840.003	51	2	Pump Demand Valve Weight	52730.001
17	1	Throttle Nut	34710.003	52	2	Pump Demand Valve Cover	61015.006
18	1	Throtle Lever	45041.145.04	53	1	Needle Valve	79503.250
19	2	Air By-Pass Screw	64595.012	54	1	Needle Valve Gasket	83102.100
20	2	Air By-Pass Screw Cover	61030.008	55	1	Fuel Union Gasket	41530.031
21	5	Spring Washer	55525.010	56	1	Fuel Union	10354.019
22	5	Support Bracket Fixing Nut	34705.004	57	2	Fuel Union and Filter Cover Gasket	41530.024
23	1	Support Bracket Stud	64955.104	58	1	Fuel Union Bolt	12715.008
24	1	Bottom Cover Gasket	41640.066	59	1	Fuel Filter	37022.002
25	4	Air Horn Ta b	52135.053	60	1	Fuel Filter Cover	61002.010
26	2	Progression Hole Inspection Cover	61015.009	61	1	Throttle Shaft	10020.424
27	1	Inspection Cover Gasket	41640.065
28	2	Inspection Cover Fixing Screw	64570.009		1	Repair Kit	92-1462-05
29	1	Air Horn	52840.034
30	2	Throttle Plate	64005.108
31	4	Throttle Plate Fixing Screw	64520.027
32	4	Stud	64955.110
33	1	Throttle Stop Screw 'O' Ring	41565.002
34	1	Throttle Stop Screw 'O' Ring Cap	58000.006
35	3	Mixture Screw Spring	47600.007

Original Specs 48 DCO
Main Jets	180mm	Emulsion Tubes	F7
Air Corrector Jets	160mm	Venturis	42mm
Idle Jets	F8 065	Aux Venturis	5.00mm
Pump Jet	045mm	Needle Valve	2.50mm
Pump Exhaust Jet	100mm	Float Measurement	12mm

Weber 48 DCO SP Diagram 19630.007