Re: Thinking about a Tohatsu ?
Hi,<br />Found a boat magazine that tested the Tohatsu 50 2-stroke (test made in 2001). It was one of the largest boat magazine here in Sweden, "Vi Båtägare" (Boat owner's), that tested this outboard.<br /><br />Some basic spec:<br />3 cyl/3 carburators, 20" (in test), Electric start, 67,5 kg, cyl vol 697 cc, recommended RPM range at WOT 5000-5700, CDI ignition, 12 volt/130 Watt generator, gear ratio 1,85:1, Power trim.<br />Construction from 1992.<br /><br />Test on boat "Theri Big Fun" (4,7 m x 1,85 m, 280 Kg without outboard, max 5 persons (test with 2 and 4 persons onboard).<br />Tested with GPS and fuelflow meter, acceleration with manual stop watch, noise with a dB meter at drivers seat.<br /><br />Tohatsu 50 and Tohatsu 50 Orbital (DI) compared:<br /><br />SPEED<br /><br />2 persons onboard<br /><br />Tohatsu 50<br />Max RPM (5900): 29 knots<br />Minus 500 rpm: 26,5 knots<br />Minus 1000 rmp: 24 knots<br />Minus 1500 rpm: 21 knots<br />Minus 2000 rpm: 18 knots<br /><br />Tohatsu 50 Orb.<br />Max RPM (6000): 30 knots<br />Minus 500 rpm: 26 knots<br />Minus 1000 rmp: 24 knots<br />Minus 1500 rpm: 21 knots<br />Minus 2000 rpm: 17,5 knots<br /><br />4 persons onboard<br /><br />Tohatsu 50<br />Max RPM (5900): 27,5 knots<br />Minus 500 rpm: 24,5 knots<br />Minus 1000 rmp: 22 knots<br />Minus 1500 rpm: 19 knots<br />Minus 2000 rpm: 15 knots<br /><br />Tohatsu 50 Orb.<br />Max RPM (6000): 27,5 knots<br />Minus 500 rpm: 25 knots<br />Minus 1000 rmp: 22 knots<br />Minus 1500 rpm: 19 knots<br />Minus 2000 rpm: 15 knots<br /><br />FUEL CONSUMPTION<br /><br />2 persons onboard<br /><br />Tohatsu 50<br />12 knots: 0,70 Liter/nautical mile<br />20 knots: 0,50 <br />24 knots: 0,55<br />27 knots: 0,65<br />WOT: 0,73<br /><br />Tohatsu 50 Orb.<br />12 knots: 0,53 Liter/nautical mile<br />20 knots: 0,42 <br />24 knots: 0,47<br />27 knots: 0,56<br />WOT: 0,64<br /><br />4 persons onboard<br /><br />Tohatsu 50<br />12 knots: 0,78 Liter/nautical mile<br />20 knots: 0,53 <br />24 knots: 0,62<br />27 knots: 0,74<br />WOT: 0,78<br /><br />Tohatsu 50 Orb.<br />12 knots: 0,64 Liter/nautical mile<br />20 knots: 0,46 <br />24 knots: 0,52<br />27 knots: 0,67<br />WOT: 0,70<br /><br />NOICE LEVELS<br /><br />Tohatsu 50<br />Idle: 61 dB<br />12 knots: 73<br />20 knots: 78<br />24 knots: 85<br />27 knots: 87<br />WOT: 90<br /><br />Tohatsu 50 Orb.<br />Idle: 60 dB<br />12 knots: 72 <br />20 knots: 77<br />24 knots: 83<br />27 knots: 87<br />WOT: 90<br /><br />ACCELERATION<br /><br />2 persons onboard<br /><br />Tohatsu 50<br />0-20 knots: 6,5 sek<br />0-25 knots: 8,9<br />20-25 knots: 2,5<br /><br />Tohatsu 50 Orb.<br />0-20 knots: 6,7<br />0-25 knots: 9,1<br />20-25 knots: 2,3<br /><br />4 persons onboard<br /><br />Tohatsu 50<br />0-20 knots: 8,1 sek<br />0-25 knots: 12,5<br />20-25 knots: 4,3<br /><br />Tohatsu 50 Orb.<br />0-20 knots: 8,5 sek<br />0-25 knots: 13,1<br />20-25 knots: 4,4<br /><br />So the Tohatsu 50 is by no surprise more thirsty on fuel and more noisy than the Tohatsu 50 Orbital. But the Tohatsu 50 is much cheaper to buy and is fast and has good acceleration.
Hi,<br />Found a boat magazine that tested the Tohatsu 50 2-stroke (test made in 2001). It was one of the largest boat magazine here in Sweden, "Vi Båtägare" (Boat owner's), that tested this outboard.<br /><br />Some basic spec:<br />3 cyl/3 carburators, 20" (in test), Electric start, 67,5 kg, cyl vol 697 cc, recommended RPM range at WOT 5000-5700, CDI ignition, 12 volt/130 Watt generator, gear ratio 1,85:1, Power trim.<br />Construction from 1992.<br /><br />Test on boat "Theri Big Fun" (4,7 m x 1,85 m, 280 Kg without outboard, max 5 persons (test with 2 and 4 persons onboard).<br />Tested with GPS and fuelflow meter, acceleration with manual stop watch, noise with a dB meter at drivers seat.<br /><br />Tohatsu 50 and Tohatsu 50 Orbital (DI) compared:<br /><br />SPEED<br /><br />2 persons onboard<br /><br />Tohatsu 50<br />Max RPM (5900): 29 knots<br />Minus 500 rpm: 26,5 knots<br />Minus 1000 rmp: 24 knots<br />Minus 1500 rpm: 21 knots<br />Minus 2000 rpm: 18 knots<br /><br />Tohatsu 50 Orb.<br />Max RPM (6000): 30 knots<br />Minus 500 rpm: 26 knots<br />Minus 1000 rmp: 24 knots<br />Minus 1500 rpm: 21 knots<br />Minus 2000 rpm: 17,5 knots<br /><br />4 persons onboard<br /><br />Tohatsu 50<br />Max RPM (5900): 27,5 knots<br />Minus 500 rpm: 24,5 knots<br />Minus 1000 rmp: 22 knots<br />Minus 1500 rpm: 19 knots<br />Minus 2000 rpm: 15 knots<br /><br />Tohatsu 50 Orb.<br />Max RPM (6000): 27,5 knots<br />Minus 500 rpm: 25 knots<br />Minus 1000 rmp: 22 knots<br />Minus 1500 rpm: 19 knots<br />Minus 2000 rpm: 15 knots<br /><br />FUEL CONSUMPTION<br /><br />2 persons onboard<br /><br />Tohatsu 50<br />12 knots: 0,70 Liter/nautical mile<br />20 knots: 0,50 <br />24 knots: 0,55<br />27 knots: 0,65<br />WOT: 0,73<br /><br />Tohatsu 50 Orb.<br />12 knots: 0,53 Liter/nautical mile<br />20 knots: 0,42 <br />24 knots: 0,47<br />27 knots: 0,56<br />WOT: 0,64<br /><br />4 persons onboard<br /><br />Tohatsu 50<br />12 knots: 0,78 Liter/nautical mile<br />20 knots: 0,53 <br />24 knots: 0,62<br />27 knots: 0,74<br />WOT: 0,78<br /><br />Tohatsu 50 Orb.<br />12 knots: 0,64 Liter/nautical mile<br />20 knots: 0,46 <br />24 knots: 0,52<br />27 knots: 0,67<br />WOT: 0,70<br /><br />NOICE LEVELS<br /><br />Tohatsu 50<br />Idle: 61 dB<br />12 knots: 73<br />20 knots: 78<br />24 knots: 85<br />27 knots: 87<br />WOT: 90<br /><br />Tohatsu 50 Orb.<br />Idle: 60 dB<br />12 knots: 72 <br />20 knots: 77<br />24 knots: 83<br />27 knots: 87<br />WOT: 90<br /><br />ACCELERATION<br /><br />2 persons onboard<br /><br />Tohatsu 50<br />0-20 knots: 6,5 sek<br />0-25 knots: 8,9<br />20-25 knots: 2,5<br /><br />Tohatsu 50 Orb.<br />0-20 knots: 6,7<br />0-25 knots: 9,1<br />20-25 knots: 2,3<br /><br />4 persons onboard<br /><br />Tohatsu 50<br />0-20 knots: 8,1 sek<br />0-25 knots: 12,5<br />20-25 knots: 4,3<br /><br />Tohatsu 50 Orb.<br />0-20 knots: 8,5 sek<br />0-25 knots: 13,1<br />20-25 knots: 4,4<br /><br />So the Tohatsu 50 is by no surprise more thirsty on fuel and more noisy than the Tohatsu 50 Orbital. But the Tohatsu 50 is much cheaper to buy and is fast and has good acceleration.