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Recent content by alan

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    DT115 EFI beeper comes on

    "The motor is sluggish and run "The motor is sluggish and running at about 75% power. I replaced the spark plugs but to no avail. Then, when idling the beeper will sound and the motor runs roughly. When travelling faster, the beeper will go off and the motor will stop. I can restart it...
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    What is the recommended fuel octane rating

    "We have obtained a DT115 EFI "We have obtained a DT115 EFI motor. During the summer it may sit for up to 4 weeks between uses. What is the recommended fuel octane rating that we should use? We have 91, 95 and 98 available down here. What oil are you using?"
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    Engine Seizure cause

    "As I've mentioned previou "As I've mentioned previously, our DT115 has seized 4 times over the last 6 or 7 years and so has been rebuilt each time. We are wondering if a possible cause could be the fact that the fuel suction line hangs vertically in the tank, the strainer on the bottom end is...
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    DT115 EFI Compression pressure

    What is the compression pressu What is the compression pressure range for a motor in good condition?
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    Does EFI give any problems

    Am looking at a 1998 DT115 EFI Am looking at a 1998 DT115 EFI motor with about 250 hours on the clock. Am new to EFI in outboards. How reliable is it? What problems does it give?
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    Engine seizures

    Are seizures common with Suzuk Are seizures common with Suzuki two stroke motors? Please refer my post of a couple of days ago.
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    DT115 1986 Motor died

    "We were water skiing, been ru "We were water skiing, been running probably 20 minutes when the motor hesitated then died. We were low on fuel so thought that might be the problem. Put some in the tank and carried on. Went about a kilometre then died again just as if the ignition had been cut...
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    Two Stroke Oil Mixing

    DT115 1986. We have run the o DT115 1986. We have run the oil reservoir on the motor down to about one third full. It is Castrol Super Outboard oil. We have now topped it up with Valvoline semi synthetic outboard oil. Is this likely to cause any problems?
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    Tilttrim switch power source DT115 1986

    I want to have the tilt/trim s I want to have the tilt/trim switch connected to the emergency stop switch rather than the ignition switch so that a) it is still controlled by a key and b) when coasting up on to the lake beach with the ignition switched off we can still operate the motor tilt...
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    DT115 Tachometer erratic reading

    Ever since new (1986) Ever since new (1986) the tachometer has given an incorrect reading. At something less than half throttle it will read about 4200 rpm. On opening the throttle slightly the reading will drop to 3500rpm. At full throttle it will read 5500rpm which is probably about right...
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    Ignition key how does it work

    "1986 DT115 - after 3 weeks of "1986 DT115 - after 3 weeks of no use, I clipped the ignition key on to the switch spigot but it will not rotate. How does the key work? Is it coded? could it somehow have lost its code?"
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    Suzuki DT115 1986 Tachometer reading is errattic

    Ever since new the tachometer Ever since new the tachometer has given an incorrect reading. At something less than half throttle it will read about 4200 rpm. On opening the throttle slighty the reading will drop to 3500rpm. At full throttle it will read 5500rpm which is probably about right...
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    Tony outboard

    tony went out in the boat to tony went out in the boat today and had the same problem althought we have got to no missfire but just running on 2 cylinders heaps of spark for number 3 cyl but no go with all the things that are happening maybe i am getting water into the intake on the...
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    Tony Outboard

    Tony the serial number of the Tony the serial number of the 70hp Mercury is 8045578
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    70 hp mercury low power

    My 70 hp merc has no power an My 70 hp merc has no power and seems to splutter etc it has great compression on all 3 cylinders and good fuel supply and spark the guys at the outboard shop reckon its either a reed valve or the casing is worn between the cylinders so the cylinder that is firring...
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