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Pilot Screw O-Ring Needle & Seat O-Ring 42mm Jet Needle Washer
Pilot Air Screw O-Ring
Our Price: $0.99
Needle & Seat O-Ring
Our Price: $0.99
42mm Jet Needle Washer
Our Price: $0.99
Replacement O-Ring for the Pilot Air Screw Fits 42mm, 33mm, 36mm & 40mm Carbs 42mm Jet Needle Washer
42mm Needle Retainer
Mikuni float pin
Our Price: $1.59
42mm Needle Retainer
Our Price: $1.89
Mikuni Jet Needle E-Ring (clip) Replacement float pin for the 18mm, 28mm and 42mm Float We know, you were adjusting your needle..set your retainer on the rear wheel....darn wind! Where did it go?...happens everytime! Oh, the joys of racing!
Drain O-ring Needle and Seat Retaining Screw
33mm/42mm Bowl Screw
Our Price: $1.99
Drain O-ring
Our Price: $1.99
Set of 4 Allen Head Screws O-ring for the 36mm, 40mm or 42mm Drain Plugs Yep, we know...stripped the head off...Here's your replacement! Be smart...carry a spare!
Cable Adjuster 42mm Needle Valve O-Ring
Cable Adjuster - Long
Our Price: $2.99
42mm Float Bowl Screws
Our Price: $2.99
Mikuni Cable Adjuster fits top of carb, includes jam nut. This is an extended length version.
Replacement 42mm Float Bowl Screws (set of 4)
Replacement 42mm Needle Valve O-Ring
Mikuni Air Jets Mikuni Large Round Main Jets Mikuni 486 Pilot Jets
Mikuni Air Jets
Our Price: $3.00
Mikuni 486 Pilot Jets
Our Price: $3.00
Jet measures 8mm/.300" long and has a 4mm/.125 diameter screw slotted face.

Jet measures 9mm/.350" long and has a 8mm/.315 round screw slotted face Mikuni Pilot Jets. Jet measures 28mm/1.1" long and has a 5mm/.200" slotted faced head. Also identified by having 8 small bleed holes.
OverFlow Hose 42mm Bowl O-Ring
42mm OverFlow Hose
Our Price: $3.99
42mm Bowl O-Ring
Our Price: $4.99
Replacement 42mm Throttle Return Spring. Replacment 42mm OverFlow Hose Replacement O-Ring for 42mm Carb.
42mm Body O-Ring 42mm Top Cover Gasket
42mm Body O-Ring
Our Price: $4.99
42mm Top Cover Gasket
Our Price: $4.99
Replacement 42mm Accelerator Pump Piston return spring Replacement O-Ring for 42mm Carb. 42mm Top Cover Gasket
42mm Throttle Cable Pulley 42mm Plunger 42mm Throttle Valve Seal
42mm Plunger
Our Price: $5.99
Mikuni HSR-42 Throttle Cable Pulley Replacement Plunger for your 42mm Mikuni Replacement Throttle Valve Seal for the 42mm Mikuni
42mm Air Screw Kit 42mm Throttle Cable Lever
42mm Air Screw Kit
Our Price: $9.99
42mm Throttle Cable Lever
Our Price: $10.99
Mikuni HSR 42mm Fuel Retainer Inlet Carry a spare or replace the one you lost with this handy little kit....includes everything that goes in the hole. 42mm Throttle Cable Lever
42mm Top Cover 42mm Return Lever Drain Plug
42mm Top Cover
Our Price: $12.99
Sale Price: $11.99
Savings: $1.00
42mm Return Lever
Our Price: $12.99
Mikuni Drain Plug
Our Price: $17.99
Top Cover for the 42mm Carb, includes hardware Factory Replacement - 42/45/48 mm Return Lever - Carry a spare! Replacement Drain Plug
42mm Idle Adjuster Cable Viperizer 33mm 45mm Jet Block Needle and Seat
42mm Idle Adjuster Cable
Our Price: $18.99
42mm Needle & Seat - 4.2
Our Price: $21.99
Replacement 42mm Idle Adjuster Cable Holds 10 Mains, 12 air and 5 Pilots jets

42mm Needle & Seat - 4.2
42mm Needle and Seat Deep Bowl Plug 42mm Float
42mm Needle & Seat - 2.3
Our Price: $24.99
42mm Deep Bowl Plug kit.
Our Price: $24.99
42mm Float
Our Price: $25.99
42mm Needle & Seat 2.3 HSR Main Jet Extender Kit - Add a little more fuel capacity to your 42mm with this Deep Bowl Plug kit. Replacement Float for 42mm Carb.
42mm/45mm 8' Throttle Cable 42mm Intake Rubber Flange 42mm Cable Bracket Assembly
42mm Intake Rubber Flange
Our Price: $27.99
Throttle Cable W/Barrel end 42mm/45mm 8', Nylon liner, correct barrel end, correct diameter threaded adjuster for billet carb tops. 42mm Intake Rubber Flange Mikuni HSR-42 Throttle Cable Bracket Assembly

42mm Float Bowl Mikuni 42mm Throttle Valve
42mm Float Bowl
Our Price: $35.99
Viperizer 42mm Billet Top
Our Price: $45.99
42mm Throttle Valve
Our Price: $59.99
Sale Price: $55.99
Savings: $4.00
Replacement 42mm Float Bowl Viperizer Billet top for 42mm carbs. Easy to adjust idle knob. Replacement 42mm Throttle Valve
Mikuni 42mm Flatslide Carburetor
Mikuni 42mm Flatslide Carb