Rotary Tech Tips: Water Cooling - Racing Beat The Mazda rotary engine rejects greater amounts of heat via the oil and water cooling systems than do reciprocating engines of similar horsepower output. This is due in large part to the relatively high surface-to-volume ratio typical in rotary engines, as compared to reciprocating engines - rotary engines have a greater surface area exposed to combustion gases. Cooling System Problems - Miata Coolant Mixture Recommendations (Mazda) Remember that the primary task of liquid cooling is to transfer heat energy from the metal parts of the engine to the radiator and then to the air. Water has a specific heat of 1, Simplified Block Diagram – Cooling Fan Wiring MAZDA 121 WORKSHOP MANUAL Pdf Download | ManualsLib Engine Coolant Replacement. 148. Radiator Cap Inspection. 148. Radiator Cap Valve. 149. Radiator Inspection. 149. Radiator Removal/Installation. 150. Automobile Mazda 1982 RX-7 Wiring Diagram (32 pages) Automobile Mazda 1996 626 Service Manual (533 pages) Automobile Mazda 1977 Rotary Pickup Wiring Diagram Mazda CX-5 general Engine And Engine Cooling Problems - part 1 Mazda CX-5 owners have reported 52 problems related to engine and engine cooling (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Mazda MAZDA: SKYACTIV-G | SKYACTIV TECHNOLOGY ・Improved everyday driving thanks to increased torque at low- to mid-engine speeds ・A 4-2-1 exhaust system, cavity pistons, multihole injectors and other innovations enable the high compression ratio *The 15% improvement in fuel efficiency and torque was calculated by comparing SKYACTIV-G to Mazda's current gasoline engine.