HOME

CORPORATE INFO.

History Mission Statement Profile Network
OEM Components Carburetors Aerospace

Individual Carburetors HSR
Accessories
Optional and Replacement Parts Jetting Parts Throttle Cables

Mikuni HSR42/45/48 Individual Carburetors

Part numbers for individual carburetors:
Carburetor Natural Part Number Polished Part Number
HSR42 TM42-6 TM42-6P
HSR45 TM45-2 TM45-2P
HSR48 48-2 48-2P
Note: TM42-6 applications use the stock Harley choke cable. TM45 carbs are furnished with Mikuni choke cable. 48 mm kits include Mikuni choke cable, four main jets and a rubber flange.


Mikuni HSR Accessories

Crankcase Head-Breather Kits

For Big Twins,  HSR Carb Kits and Mikuni / K&N high flow filters.
KHS-010 For HS40 carb, includes breather bolts and brackets.
KHS-020 For Evo engines, HSR42/45/48 carbs and Mikuni filter. Includes improved chrome banjo fittings and vent bolts.
KHS-030 For TC88 engines, HSR42/45/48 carbs and Mikuni filter. Includes improved chrome banjos, vent bolts and brackets.

Jet Kit for HSR42
KHS-025
Contains 44 pieces in a special jet box. Included are 2 each 150 thru 170 main jets, 2 each 20 thru 32.5 pilot jets, 1 each -96, -97 and -98 needles, 2 each #60 a/p nozzles, needle clips,washers and O-rings.

Carburetor Rebuild Kits:

Contains all necessary parts, gaskets and exploded view.
Includes needle valve assembly, O-rings, gaskets and screws.
KHS-016 For HSR42/45 carburetor with 4.2 needle valve.
KHS-031 For HSR48 carburetor with 4.5 needle valve.
Optional and Replacement Parts

990-605-065 Short Idle Screw Adjuster: (optional) Use ring, spring, washer and packing from stock long idle adjuster .
TM42/32 Long Idle Screw Adjuster: (standard) Does not include ring, spring, washer or packing.
990-662-002 Choke Cable (Plunger, spring and nut not included)
HS42/001-K Air Box Adapter Kit: Mounts to air cleaner backplate with three screws.
Includes adapter, O-ring and three screws.
HS42/018-42 Rubber Flange Adapter: 42mm (with TMX/002-32 clamp), early type,
with round hole.
HS42/018-45 Rubber Flange Adapter: 45mm (with TMX/002-32 clamp), early type,
with round hole.
HS42/061-45 Intake Manifold for Evo: Evo style without hole for MAPS. Fits HSR42/45.
HS42/061-45TC Intake Manifold for TC88: Twin Cam style with MAPS hole. Fits HSR42/45.
HS42/062-42 Rubber Flange Adapter with oval hole: 42mm (with TMX/002-32 clamp),
fits HSR42/061 style manifold.
HS42/062-45 Rubber Flange Adapter with oval hole: 45mm (with TMX/002-32 clamp),
fits HSR42/061 style manifold.
TMX/002-32 Clamp for rubber flange: stainless steel.
HS42/012 Air Filter, K&N 2.5 inch: standard in kits, washable
HS42/012-300 Air Filter, K&N 3.0 inch: high performance, washable
HS42/006 Air Cleaner Cover: (round) chrome with cutouts
HS42/021-250 Air Cleaner Cover: chrome without cutouts
KHS-028 Chrome Carb Top Cover: without Mikuni logo
KHS-029 Chrome Carb Top Cover: without Mikuni logo

Jetting Parts

VM28/486-(size) Pilot Jet: size range: 17.5 to 50 (2.5 increments)
N100.604-(size)  Main Jets: size range: 150 to 200 (2.5 increments)
J8-8DDY01-(size) HSR42 Jet Needles: size range: -95, -96, -97 and -98;
Standard in HSR42 is -97.
J8-8CFY02-(size) HSR45 Jet Needles: size range: -95, -96, -97 and -98.
Standard in HSR45 is -97.
TM42/11-(size) Accelerator Pump Nozzle: size range: -50, -60, and -70.
Standard is -70.

Throttle Cables

HS42/028-A Open Cable: 1970 to 1995, 38 inch screw-in type.
HS42/029-A Close Cable: 1970 to 1995, 38 inch screw-in type.
KHS/039 Open Cable: 1970 to 1995, 47 inch screw-in type.
KHS/040 Close Cable: 1970 to 1995, 47 inch screw-in type.
KHS/043 Open Cable: 1996 to present, 38 inch push-in type.
KHS/044 Close Cable: 1996 to present, 38 inch push-in type.
KHS/041 Open Cable: 1996 to present, 47 inch push-in type.
KHS/042 Close Cable: 1996 to present, 47 inch push-in type.
NOTE: HSR42/45 Carb Kits sold from 1994 to1999 required special Mikuni throttle cables. HSR42 carbs manufactured after May 1999, and HSR45 manufactured after March 2000 use stock Harley-Davidson cables.

Copyright (C) 2002, Mikuni American Corporation All Right Reserved.