16100-HN2-305 Carburetor Kit Fit 01-11 Honda Fourtrax Foreman Rubicon 500 TRX500
16100-HN2-305 Carburetor Kit Fit 01-11 Honda Fourtrax Foreman Rubicon 500 TRX500
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Carburetor Kit for Honda Fourtrax Foreman Rubicon 500 TRX500
This carburetor kit addresses wear-prone fuel metering components on the 2001-2011 Honda Fourtrax Foreman Rubicon 500 TRX500, and it references OEM part number 16100-HN2-305 for direct crossover identification.
Overview
A complete carburetor rebuild kit for the Honda Fourtrax Foreman Rubicon 500 TRX500 spanning 2001 through 2011. The kit supplies gaskets, seals, and a replacement jet set that brings fuel calibration back to factory specification on machines that have developed hard-start or idle-stumble issues. ATV owners and service techs working on the TRX500 platform use this carburetor kit to restore consistent throttle response without replacing the entire carburetor body.
Built For Performance
- Includes an ethanol-tolerant float bowl gasket that resists swelling when exposed to modern pump fuels
- Pre-sized pilot and main jets deliver the factory air-fuel curve for the TRX500 engine without additional drilling or tuning
- Replacement float needle and seat set provides a positive fuel shutoff to eliminate overflow dripping from the bowl vent
- O-ring and seal compounds meet OEM durometer ratings so they hold vacuum across hot-soak restart cycles
- All small-passage air-bleed orifices match the Keihin-style casting, preserving the off-idle transition that the Foreman platform relies on
Fits These Machines
- for Honda Fourtrax Foreman Rubicon 500 TRX500 2001
- for Honda Fourtrax Foreman Rubicon 500 TRX500 2002
- for Honda Fourtrax Foreman Rubicon 500 TRX500 2003
- for Honda Fourtrax Foreman Rubicon 500 TRX500 2004
- for Honda Fourtrax Foreman Rubicon 500 TRX500 2005
- for Honda Fourtrax Foreman Rubicon 500 TRX500 2006
- for Honda Fourtrax Foreman Rubicon 500 TRX500 2007
- for Honda Fourtrax Foreman Rubicon 500 TRX500 2008
- for Honda Fourtrax Foreman Rubicon 500 TRX500 2009
- for Honda Fourtrax Foreman Rubicon 500 TRX500 2010
- for Honda Fourtrax Foreman Rubicon 500 TRX500 2011
On-The-Job Use
- Restoring a seasonally stored TRX500 that develops a plugged pilot circuit from evaporated fuel varnish
- Farm and ranch ATV fleets running ethanol-blended fuel where gasket degradation occurs across service intervals
- Trail-side carburetor refresh after the machine exhibits an erratic idle or off-idle hesitation under load
- General fuel-system maintenance when addressing a machine that has sat unused and now cranks but will not catch cleanly at the idle circuit
Specs At A Glance
| Part Number(s) | 16100-HN2-305 (OEM cross-reference) |
| Application | 2001-2011 Honda Fourtrax Foreman Rubicon 500 TRX500 |
| Kit Contents | Float bowl gasket, top cover gasket, pilot jet, main jet, float needle and seat, assorted O-rings and seals |
Good To Know
Q: Does this carburetor kit include a replacement float? A: The kit focuses on the soft parts and metering jets; the existing float can typically be reused after a thorough cleaning and a leak-submersion test to confirm it does not take on fuel.
Q: Will this kit correct a hanging idle on a TRX500? A: A hanging idle often traces to an air leak at the intake boot or a partially clogged pilot circuit—this kit provides fresh sealing components and the correct pilot jet to eliminate those two common sources of the condition.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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