Main Replacement Parts Page – Gasket Rebuild Kits – Main Jets – Air Jets – Pilot Jets – Pump Nozzles – Jetting Kits & Jetting Size Recommendation Chart – Needle Valves – Jet Blocks & Bleed Pipes – Venturi’s – Insulators & Optional Brackets and Levers – Linkage & Manifolds – Solex 36PHH / 50PHH Parts – Air Funnels & Filters – Fuel Related Parts & Other – Merchandise
Mikuni PHH Carburetor – Main Replacement Parts Identification Page
Upgrade Motoring is a Authorized Mikuni Distributor for Mikuni PHH carburetor parts. We have a huge inventory of Genuine Mikuni replacement parts and jets, Made in Japan! We ship daily, worldwide! Most orders ship the same day or next business day. We are located just minutes away from the Mikuni American headquarters. You can also use www.MikuniParts.com for quick access to our Mikuni parts page.
Please Note: Parts listed here are for the 40PHH and 44PHH Mikuni Performance Carburetors. These Mikuni carburetors are also referred to as Type-R. There are differences between the Mikuni Performance Carburetors and Mikuni / Solex Original Equipment Carburetors (Type 4 40PHH, Type T, Type Q, Type 2, Type 3, Type 5). Many items do fit both applications, but not all. Some 40PHH Solex carburetors use 44PHH Mikuni Performance parts. Please be sure to compare images and specifications when available. If you are not sure if your which Mikuni Carburetor version you have, please compare your carburetor Float Chamber Cover (FCC) with the Float Chamber Cover Gaskets (Item#18). Click the “More Info” for pictures of each FCC gasket.
Mikuni 40PHH and 44PHH Performance Carburetor Replacement Parts
Mikuni Part Numbers & Applications
Quantities listed in the columns below the 40PHH and 44PHH are per pair of Mikuni Carburetors. Some items below also fit Mikuni Solex 36PHH, 40PHH, 44PHH, 50PHH Carburetors. Please compare images or inquire.
| Picture Item No. | Mikuni Part Number | Mikuni PHH Carburetor Part Description | 40PHH – 97, 98 | 44PHH – 41, 42 | Notes |
| 1 | N115.050 | Mikuni Screw, Jet Chamber Cover | 2 | Discontinued | |
| N115.050-R | Screw w/Washer, Jet Chamber Cover – Replacement Alternative | 2 | Discontinued | ||
| N115.050-RS | Screw w/Washer, Jet Chamber Cover – Replacement Alternative – Small Diameter Head | 2 | More Info | ||
| N115.106 | Mikuni Screw, Jet Chamber Cover | 2 | Discontinued | ||
| N115.106-R | Screw w/Washer, Jet Chamber Cover – Replacement Alternative | 2 | Discontinued | ||
| N115.106-RS | Screw w/Washer, Jet Chamber Cover – Replacement Alternative – Small Diameter Head | 2 | More Info | ||
| SOLWS01-R | Mikuni Solex – Wing Screw – 40mm T/L | More Info | |||
| 2 | BVZ23/40 | Mikuni Washer, Jet Chamber Cover Screw | 2 | 2 | More Info |
| 3 | N115.014 | Mikuni Cover, Jet Chamber | 2 | Discontinued | |
| N115.014-R | Mikuni Solex – Cover, Jet Chamber – “SOLEX JAPAN” – Replacement Alternative | 2 | More Info | ||
| N115.102 | Mikuni Cover, Jet Chamber | 2 | Discontinued | ||
| 4 | N107.018 | Mikuni Gasket, Jet Chamber Cover | 2 | More info | |
| N115.103 | Mikuni Gasket, Jet Chamber Cover | 2 | More Info | ||
| 5 | N101.023 | Mikuni Banjo Bolt, Fuel Pipe Assembly | 2 | 2 | More Info |
| 6 | N101.080 | Mikuni Washer, Fuel Pipe Assembly | 4 | 4 | More Info |
| 7 | N101.092 | Mikuni Filter, Fuel Pipe Assembly | 2 | 2 | Discontinued |
| N101.092-R | Mikuni Filter, Fuel Pipe Assembly – Replacement Alternative | 2 | 2 | More Info | |
| 8 | N115.028 | Mikuni Fuel Pipe Assembly – “T” | 1 | 1 | More Info |
| N121.016 | Mikuni Fuel Pipe Assembly – “T”. Superseded to #N115.028 | 1 | Discontinued | ||
| 9 | N115.033 | Mikuni Fuel Pipe Assembly – 90 Degree – Superseded to #N121.017 | 1 | 1 | Discontinued |
| N121.017 | Mikuni Fuel Pipe Assembly – 90 Degree | 1 | 1 | Discontinued | |
| 10 | CW2=0512 | Mikuni Screw w/washer, Float Adjuster Plate | 4 | 4 | More Info |
| CW2=0512-RS | Screw w/washer, Float Adjustment Plate – Replacement Alternative | 4 | 4 | More Info | |
| 11 | N115.005 | Mikuni Screw, Float Adjusting | 2 | 2 | More Info |
| 12 | N101.260 | Mikuni Nut, Float Adjusting Screw | 2 | 2 | Discontinued |
| N101.260-R | Mikuni Nut, Float Adjusting Screw – Alternative | 2 | 2 | More Info | |
| 13 | N115.009 | Mikuni Plate, Float Adjuster | 2 | 2 | Discontinued |
| N115.009-R | Mikuni Plate, Float Adjuster – Alternative | 2 | 2 | More Info | |
| 14 | N115.010 | Mikuni Gasket, Float Adjuster | 2 | 2 | More Info |
| 15 | N115.016 | Mikuni Arm Assembly, Float Adjuster | 2 | 2 | More Info |
| 16 | N115.015 | Mikuni Spring, Float Adjuster | 2 | 2 | More Info |
| 17 | N115.402 | Mikuni Float Chamber Cover Assembly | 2 | Discontinued | |
| N115.100 | Mikuni Float Chamber Cover Assembly | 2 | Discontinued | ||
| 18 | N115.013 | Mikuni 44PHH Performance Carburetor – Gasket, Float Chamber Cover (5 Bolt Cover) | 2 | More Info | |
| N121.019 | Mikuni 40PHH Performance Carburetor – Gasket, Float Chamber Cover | 2 | More Info | ||
| N107.147 | Mikuni Gasket, Float Chamber Cover (4 Bolt Cover) – Toyota 2TG/18RG | 2 | 2 | More Info | |
| 19 | N114.011 | Mikuni Washer, Needle Valve (For 10mm Hex Needle Valve N115.037-X.X) | 2 | 2 | More Info |
| 20 | N115.037-(size) | Mikuni 40PHH / 44PHH – Needle Valve Assembly – (1.2, 1.5, 1.8, 2.0, 2.5) 10mm Hex. (For 14mm Hex – Please See 50PHH Parts Page), | 2 | 2 | Needle Valves |
| 21 | N115.018 | Mikuni Plate | 2 | 2 | More Info |
| 22 | N115.011 | Mikuni Float Assembly | 2 | 2 | More Info |
| 23 | BD28/44 | Mikuni Pin, Float Assembly | 2 | 2 | More Info |
| 24 | B42/56-(size) | Mikuni 40PHH – Air Jets – Size 60-300 (increments of 10) | 4 | 40PHH Air Jets |
|
| B42/55-(size) | Mikuni 44PHH – Air Jets – Size 60-300 (increments of 10) 105-205 (increments of 205) | 4 | 44PHH Air Jets |
||
| 25 | N101.190-(size) | Mikuni 40PHH – Bleed Pipe – M, N, P, Q, R, T (See Jetting Parts table below for sizing). | 4 | Bleed Pipes | |
| 26 | N101.188 | Mikuni 40PHH – Jet Block Assembly (Emulsion Tube) | 4 | More Info | |
| N101.253 | Mikuni 44PHH – Jet Block Assembly (Emulsion Tube) | 4 | 44PHH Jet Block |
||
| 27 | N100.604-(size) | Mikuni 40PHH / 44PHH – Main Jet – 50-210 (increments of 2.5), 210-250 (increments of 10) | 4 | 4 | Main Jets |
| 28 | N101.043-(size) | Mikuni 40PHH / 44PHH – Pilot Jet – 25-110 (increments of 5) 47.5-67.5 (increments of 2.5) | 4 | 4 | Pilot Jets |
| 29 | N101.019 | Mikuni Gasket, Small Venturi | 4 | More Info | |
| N121.118 | Mikuni Gasket, Small Venturi | 4 | More Info | ||
| 30 | N1-06 | Mikuni Nut – Air Funnel | 8 | 8 | More Info |
| 31 | W4-06 | Mikuni Lock Washer – Air Funnel & Venturi Set Screw | 16 | 16 | More Info |
| 32 | N101.147 | Mikuni Stud Bolt – Air Funnel | 8 | Discontinued | |
| T3-0616 | Mikuni Stud Bolt – Air Funnel | 8 | Inquire | ||
| T3-0616-R | Mikuni Stud – Air Funnel – Replacement Alternative | 8 | More Info | ||
| 33 | N101.193 | Mikuni Air Funnel (L=25mm) | 4 | Discontinued | |
| N101.240 | Mikuni Air Funnel (L=50mm) | 4 | Discontinued | ||
| N101.240-R | Mikuni Air Funnel (L=50mm) – Replacement Alternative – (See More Below) | More Info | |||
| N101.207 | Mikuni Air Funnel (L=75mm) | 4 | Discontinued | ||
| Air Funnel – Other Replacement Alternatives | 4 | 4 | Air Funnels | ||
| 35 | N121.106 | Mikuni 40PHH Venturi, Small | 4 | Discontinued | |
| N101.205 | Mikuni 44PHH Venturi, Small | 4 | More Info | ||
| 36 | N121.015 | Mikuni 40PHH Venturi, Large (32mm ID) | 4 | Discontinued | |
| N107.203-34 | Mikuni 44PHH Venturi, Large (34mm ID) | 4 | More Info | ||
| N107.203-37 | Mikuni 44PHH Venturi, Large (37mm ID) | 4 | More Info | ||
| N107.233-39 | Mikuni 44PHH Venturi, Large (39mm ID) | 4 | More Info | ||
| N107.233-40 | Mikuni 44PHH Venturi, Large (40mm ID) | 4 | More Info | ||
| N107.233-41 | Mikuni 44PHH Venturi, Large (41mm ID) | 4 | More Info | ||
| 37 | N101.176 | Mikuni Screw, Throttle Adjusting | 2 | More Info | |
| N115.053 | Mikuni Screw, Throttle Adjusting | 2 | More Info | ||
| 38 | 4/148 | Mikuni Spring, Throttle Adjusting Screw | 2 | More Info | |
| N115.057 | Mikuni Spring, Throttle Adjusting Screw | 2 | More Info | ||
| 39 | N107.073 | Mikuni 40PHH / 44PHH – Bracket, Throttle Stop | 2 | 2 | More Info |
| 40 | N107.026 | Mikuni Screw, Throttle Stop Bracket | 4 | 4 | Discontinued |
| N107.026-R | Mikuni Screw, Throttle Stop Bracket – Replacement Alternative | 4 | 4 | More Info | |
| 41 | N107.112 | Mikuni Spring, Throttle Return | 2 | 2 | More Info |
| 42 | BDC36/35 | Mikuni Nut, Throttle Shaft | 4 | 4 | More Info |
| 43 | B42/75 | Mikuni Washer, Throttle Shaft | 4 | 4 | More Info |
| 44 | N107.071 | Mikuni 44 PHH – Throttle Lever Assembly – (Also See Below) | 2 | More Info | |
| N115.104 | Mikuni 40 PHH – Throttle Lever Assembly – (Also See Below) | 2 | Discontinued | ||
| 45 | BDC36/325 | Mikuni Seal, Throttle Shaft | 8 | 8 | More Info |
| 46 | N3-06 | Mikuni Nut, Venturi Screw | 8 | 8 | More Info |
| 47 | N107.173 | Mikuni Set Screw, Venturi, Large | 4 | Discontinued | |
| N107.173-R | Set Screw, Venturi, Large – 16mm Replacement Alternative | 4 | More Info | ||
| 48 | N107.174 | Mikuni Set Screw, Venturi, Small | 4 | 4 | Discontinued |
| N107.174-R | Set Screw, Venturi, Small – 20mm Replacement Alternative | 4 | 4 | More Info | |
| N107.784 | Mikuni Set Screw, Venturi, Small | 4 | Discontinued | ||
| 49 | CW2=0422 | Mikuni Screw w/washer, Pump Cover | 8 | More Info | |
| CW2=0435 | Mikuni Screw w/washer, Pump Cover | 8 | Discontinued | ||
| CW2=0435-R | Screw w/washer – Replacement Alternative – Superseded to CW2=0435-RS | 8 | Discontinued | ||
| CW2=0435-RS | Screw w/washer – Replacement Alternative – Small Head | 8 | More Info | ||
| 50 | CW2=0416 | Mikuni Screw w/washer, Pump Cover | 4 | 4 | More Info |
| CW2=0416-RS | Screw w/washer, Pump Cover – Replacement Alternative | 4 | 4 | More Info | |
| 51 | N101.067 | Mikuni Pump Cover | 2 | 2 | Discontinued |
| 52 | N107.030 | Mikuni 40PHH / 44PHH – Pump Diaphragm (Membrane Assembly) | 2 | 2 | More Info |
| 53 | N101.056 | Mikuni Spring, Pump | 2 | 2 | More Info |
| 54 | N107.048 | Mikuni Gasket, Pump Cover | 2 | 2 | More Info |
| 55 | N102.219 | Mikuni Pump Body Assembly | 2 | Discontinued | |
| N121.067 | Mikuni Pump Body Assembly | 2 | Discontinued | ||
| 56 | N107.012 | Mikuni Gasket, Pump Body | 2 | 4 | More Info |
| 57 | Y-1006 | Mikuni Split Pin, Pump Rod | 2 | 2 | More Info |
| 58 | VM15/252 | Mikuni Washer, Pump Rod | 4 | More Info | |
| RFT/40 | Mikuni Washer (Brass), Pump Rod | 4 | More Info | ||
| BV26/32 | Mikuni Washer, Pump Rod | 2 | More Info | ||
| 59 | N101.030 | Mikuni Spring, Pump Rod | 2 | 2 | More Info |
| 60 | N102.220 | Mikuni 40PHH Pump Rod | 2 | Discontinued | |
| N102.220-R | Pump Rod 40PHH – Replacement Alternative | 2 | More Info | ||
| N107.044 | Mikuni 44PHH Pump Rod | 2 | Discontinued | ||
| N107.044-R | Pump Rod 44PHH – Replacement Alternative | 2 | More Info | ||
| 61 | N107.831 | Mikuni Connecting Rod | 2 | Discontinued | |
| N107.831-R | Connecting Rod – Replacement Alternative | 2 | TBD | ||
| N121.140 | Mikuni Connecting Rod | 2 | Discontinued | ||
| N121.140-R | Connecting Rod – Replacement Alternative | 2 | TBD | ||
| 62 | N101.097 | Mikuni Plug Screw | 4 | More Info | |
| N121.024 | Mikuni Plug Screw | 4 | More Info | ||
| 63 | BD34/44 | Mikuni Washer, Plug Screw | 4 | More Info | |
| 64 | N107.106 | Mikuni Collar, Throttle Shaft | 2 | 2 | Discontinued |
| N107.106-R | Mikuni Collar, Throttle Shaft – Replacement Alternative | 2 | 2 | More Info | |
| 65 | N101.181 | Mikuni 44PHH – Pilot Screw – 25mm overall length | 4 | More Info | |
| N110.266 | Mikuni 40PHH – Pilot Screw – 35.6mm overall length | 4 | More Info | ||
| 66 | N102.065 | Mikuni Gasket, Pump Nozzle | 4 | 4 | More Info |
| 67 | N102.202-(size) | Mikuni 44PHH – Pump Nozzle – 30-60 (increments of 5) 60-90 (increments of 10) | 4 | Pump Nozzles | |
| N121.033-(size) | Mikuni 40PHH – Pump Nozzle – 30-60 (increments of 5) 60-90 (increments of 10) | 4 | Pump Nozzles | ||
| 68 | BVZ23/18 | Mikuni O-ring, Pump Nozzle Plug | 4 | 4 | More Info |
| 69 | N102.026 | Mikuni Plug, Pump Nozzle | 4 | 4 | More Info |
| 70 | N110.081 | Mikuni Ball | 4 | 4 | More Info |
| 71 | N115.060 | Mikuni Pump Weight – 44 PHH | 4 | More Info | |
| N121.035 | Mikuni Pump Weight – 40 PHH | 4 | More Info | ||
| 72 | B21/156 | Mikuni O-ring, Pump Weight Plug | 4 | More Info | |
| 73 | N102.064 | Mikuni Plug, Pump Weight | 4 | More Info | |
| 74 | N107.134 | Mikuni Bracket Assembly | 1 | 1 | Discontinued |
| 75 | CW2=0525 | Mikuni Screw w/washer, Float Chamber Cover | 10 | 10 | More Info |
| CW2=0525-R | Screw w/washer, Float Chamber Cover – Replacement Alternative | 10 | 10 | Discontinued | |
| CW2=0525-RS | Screw w/washer, Float Chamber Cover – Replacement Alternative – Small Diameter Head | 10 | 10 | More Info | |
| 76 | N107.118 | Mikuni Starter Disc | 2 | Discontinued | |
| N107.247 | Mikuni Starter Disc | 2 | Discontinued | ||
| 77 | N101.063 | Mikuni Spring, Starter Disc | 2 | 2 | More Info |
| 78 | BSW28/69 | Mikuni Snap E-Ring (Starter Cover) | 4 | 4 | More Info |
| 79 | N101.083 | Mikuni Starter Cover | 2 | 2 | Discontinued |
| 80 | N107.019 | Mikuni Terminal, Starter Cover | 2 | 2 | More Info |
| 81 | B2=0508 | Mikuni Bolt, Terminal | 2 | 2 | More Info |
| 82 | M10/59 | Mikuni Washer, Starter Cover | 2 | 2 | More Info |
| 83 | B30/61 | Mikuni Spring, Starter Return | 2 | 2 | More Info |
| 84 | N115.067 | Mikuni Bracket, Starter | 2 | 2 | More Info |
| 85 | N107.176 | Mikuni Cooling Body Assembly | 2 | Discontinued | |
| 86 | B42/55-(size) | Mikuni Starter Jet (See 44PHH Air Jets) – 60-300 (increments of 10) | 2 | 2 | Starter Jets |
| 110.209 | Mikuni Spring. For Pilot Screw – 35.6mm overall length | 2 | More Info | ||
| 4/148 | Mikuni Spring, For Pilot Screw – 25mm overall length | 4 | More Info | ||
| 88 | N121.154 | Mikuni Damper Spring (=N107.815) | 2 | 2 | More Info |
| N121.105 | Mikuni Throttle Shaft – 40PHH with #165 Throttle Valve | 2 | More Info | ||
| N107.202 | Mikuni Throttle Shaft – 44PHH with #175 Throttle Valve | 2 | More Info | ||
| N101.038-165 | Mikuni Throttle Valve (Throttle Plate) – 40PHH (2 per Carb) – Stamped #165 | 4 | More Info | ||
| N101.203-175 | Mikuni Throttle Valve (Throttle Plate) – 44PHH (2 per Carb) – Stamped #175 | 4 | More Info | ||
| C6=0307 | Mikuni Throttle Valve (Plate) Screw – 40PHH (2 per Valve) | 8 | More Info | ||
| N107.204 | Mikuni Throttle Valve (Plate) Screw – 44PHH/50PHH (2 per Valve) | 8 | Discontinued | ||
| N107.204-RS | Mikuni Throttle Valve (Plate) Screw – 44PHH / 50PHH – Steel Replacement Alternative | 8 | More Info | ||
| N107.204-RB | Mikuni Throttle Valve (Plate) Screw – 44PHH / 50PHH – Brass Replacement Alternative | 8 | More Info | ||
| N107.008 | Mikuni O-Ring, Figure Eight (2 per Carburetor) | 4 | 4 | More Info |
