Automotive parts and accessories for carburettor tuning, supplying a wide selection of main jets compatible with many Mikuni setups, YGQ Carburetor Main Jet Kit. That variety helps riders and workshop technicians pinpoint the correct jet quickly, reducing guesswork and downtime. Are the size range and fitment broad enough for serious tuning work?
⚡ At a Glance
- • Jet Range: Sizes from #132.5 to #170, listed in 2.5-step increments
- • Best for: Mechanics and enthusiasts tuning Mikuni carburettors on street, ATV and off-road machines
- • Not ideal for: Carburettor systems that do not use Mikuni main jet formats
Aftermarket main jets cover a dense range of sizes for fine adjustment. Compatibility targets many Mikuni flat and smoothbore carburettor series.
Precise fuel metering – with a broad, closely spaced size selection
The listing includes sizes #132.5 through #170 in small increments, allowing fine control over main jet diameter. Each size change adjusts the main jet bore slightly, altering fuel flow at mid-to-full throttle.
Fine-grained size choices let tuners match jetting to engine modifications and riding conditions, reducing trial-and-error and improving throttle response.
Straightforward fitment, with compatibility across many Mikuni types
Compatibility covers VM16, VM29/VM33 smoothbore racks, TM33/TM36/TM40 pumpers, RS34–40 flat slide racks and HSR/HS models listed in the description. Needle jet series compatibility is also called out for several large round types.
Wide model support makes it easy to find a direct-fit main jet for a range of Mikuni carburettors, cutting installation time for workshops and home mechanics.
Suitable for popular motorcycle makes, with multiple application examples
Fitment examples include Suzuki DR-Z125 and various GS series, Kawasaki H1, H2, KZ and KZ1000/KZ1100 families, and Yamaha TTR125 plus several XS and larger models mentioned.
Owners of those bikes can source replacement jets or tune for performance without hunting obscure parts, and user feedback highlights reliable, repeatable results.
✨ The 4 Key Reasons for YGQ Carburetor Main Jet Kit
- Wide size spread - Enables precise main jet tuning across varied engine setups
- Extensive Mikuni fitment - Covers both flat and smoothbore carburettor families commonly used
- Compatible with common needle jets - Works alongside listed needle jet series for accurate tuning
- Clear size choices - Reduces guesswork, letting tuners make controlled, incremental adjustments
📋 Technical Details at a Glance
- Category: Automotive Parts and Accessories
- Sizes: #132.5, 135, 137.5, 140, 142.5, 145, 147.5, 150, 152.5, 155, 157.5, 160, 162.5, 165, 167.5, 170
- Compatible Carburettor Models: VM16, VM29, VM33 smoothbore racks, VM16-519 round slide, TM33-8012, TM36-68, TM40-6 pumpers
- Flat Slide Compatibility: RS34, RS36, RS38, RS40 flat slide rack models
- HSR Compatibility: HSR42, HSR45, HSR48 new style
❓ Frequently Asked Questions
Q: Are these jets compatible with Mikuni VM and RS carburettors?
A: Compatibility includes VM16, VM29/VM33 smoothbore racks, VM round slide variants, and RS34–40 flat slide racks, so many VM and RS installations are covered.
Q: What sizes are available in the kit range?
A: Sizes run from #132.5 up to #170, listed in incremental steps that allow fine tuning between those values.
Q: Will these jets fit my Suzuki or Kawasaki bike?
A: Fitment examples named include Suzuki DR-Z125 and several GS series, and Kawasaki models such as H1, H2, Z1 and KZ families, indicating suitability for many listed machines.
🏆 Our Verdict
The YGQ Carburetor Main Jet Kit suits mechanics, tuners and owners of Mikuni-equipped motorcycles who need precise main jet options. A dense size range and broad Mikuni compatibility make it straightforward to dial in fuel delivery for a wide set of street, ATV and off-road applications. The selection represents good long-term value for those who perform regular tuning or replacements, provided correct size choice and fitment are checked before installation.
