Your search has 2 matches. Now showing results 1 through 2. THUMB THROTTLE ASSY. Manufacturer: honda Keywords: trx 500 30.00 2011 HONDA TRX 500 THUMB THROTTLE ASSY. Tag #: 3282   Tag #: 3282 OEM #: 53143-HN0-305 Part Info (712)348-1676 HTPRepower Motorsports SANBORN IA 20.69 2008 HONDA TRX 500 THUMB THROTTLE ASSY. Tag #: 3346   Tag #: 3346 OEM #: 53143-HN0-305 Part Info (712)348-1676 HTPRepower Motorsports SANBORN IA Your search has 2 matches. Now showing results 1 through 2. Did you have trouble finding what you were looking for? Click here to request a part. Inventory Powered By ITrack!