BOLD MAGENTA part numbers are new for 2025 PARTS-UNLIMITED.COM 2025 | SNOW ELECTRICAL ELECTRICAL 748 PROTON TACHOMETER •Easy-to-read LCD display •0-20,000 rpm range •Includes installation instructions and hardware • Measures 11/16” L x 115/16” W x 15/16” H DESCRIPTION PART # Proton tachometer 2211-0186 PROTON VOLT METER •Easy-to-read LCD display •Includes installation instructions and hardware • Measures 11/16” L x 115/16” W x 15/16” H WIDEBAND AIR/FUEL RATIO METER • Highly visible, backlit digital display •Allows more precise tuning •Programmable warning alerts rider of too lean or too rich ratio •Displays ratio between 10.0-24.0 •Includes Bosch O2 sensor, sensor bung, sensor bung cap and gauge bracket • Measures 3.9”W x 1.7” H x .9” D •Recommended for use with 4-stroke engines; for 2-stroke applications, use O2 adapter PART #1861-0524 (sold separately) AIR/FUEL RATIO & RPM DATA LOGGER • Feature air fuel ratio reading, rpm and playback ability to optimize your ride’s performance •Automatically activates the heated screen to increase display reaction time in cold weather (14 to 140°F) • Easy to operate, compact and lightweight •Require a 12VDC battery •Include LSU 4.9 sensor •Can be mounted to many applications including snowmobiles, UTVs and more •Compatible with 2-stroke or 4-stroke engines • For 6’ extension wire •Records up to 50 sessions; recording time approximately 3.18 hours PROTON WATER TEMPERATURE METERS AND ADAPTERS • Lightweight, compact gauge •Temperature range 32-248°F •Large LCD display with removable faceplate •Includes instructions and hardware • Measures 11/16” L x 115/16” W x 15/16” H •Gauge sold with and without adapters DESCRIPTION PART # Proton volt meter 2212-0796 DESCRIPTION PART # Wideband air/fuel ratio meter 1050-0229 DESCRIPTION PART # Air/Fuel ratio and RPM data logger 2212-0829 DESCRIPTION PART # Proton water temperature gauge 2212-0790 Proton water temperature gauge w/ 14mm adapter 2212-0791 Proton water temperature gauge w/ 16mm adapter 2212-0792 DESCRIPTION PART # Proton water temperature gauge w/ 18mm adapter 2212-0793 Proton water temperature gauge w/ 22mm adapter 2212-0794 Proton water temperature gauge w/ 26mm adapter 2212-0795 2212-0794
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