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Ever wonder how hot your engine is really running? A hot engine can lose power, decrease reliability, and worse yet, damage major engine components. Often times a hot engine can be cured with a simple jetting fix. ESR's in-line temp gauge will take the guesswork out of it! Place anywhere in cooling system. Universal, fits 3/4" hose.
Ideal ooperating temperature ranges:
2-Stroke Engine:160-180F
4Stroke Engines:180-205F
(Provided as a guideline only. Temperature ranges may vary between engine builders)
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