Sierra 56968P Small Engine Hourmeter AUTORVAAST3 BAK-4 prisms provide higher resolution

BAK-4 prisms provide higher resolution and deliver more detail to your eyes

9 GPM excess flow male hard nose POL x female POL x 1”-20 male and 12' foot hose (MER421-144) 1”-20 male x 1”-20 female

Just like the already best selling Flow-Troll

150-225 HP

Sierra 56968P Small Engine Hourmeter AUTORVAAST3 BAK-4 prisms provide higher resolutionAllows hour monitoring for even the smallest gasoline motors. Great for 2 or 4 stroke. No power or ground required. Water and shock proof. Automatically turns on and off with the engine. Displays up to 9999 hours. 10 year internal battery lifetimeReplaces: Yamaha ENG METER 2C 01 Features: No power or ground requiredWater and shock proofAutomatically turns on and off with the engineDisplays up to 9999 hours10 year internal battery lifetime