Question about 1999 Suzuki GSF 1200 Bandit N

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Oil light came on recently (99 1200 bandit n) but there is plenty of oil in the motor. with the bike stationary upright the light stays out (except when i bounce the front end) and then lent to the left the light stays out, lent to the right and the light comes on. when lent to the right and the revs at about 1500 rpm the light goes out, when the revs drop back to 1000 rpm it comes back on. i have checked wires to the pressure switch and all seems ok, don't know what to check next.

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There are 2 oil pumps. One is the HVLP (High Volume Low Pressure) that goes through the oil radiator, and sprays oil on the bottoms of the pistons. The other is the LVHP (Low Volume High Pressure) that oils the engine internals. One of these pumps has failed. They are located on opposite sides of the engine. When the pump fails, it does not remove the oil from that side of the engine, leading to oil starvation for the remaining working pump.

Posted on Mar 15, 2013

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It would be best to have an oil pressure check. Get a reading at both idle and at 1500rpms.
Could be oil pump or bearings.
Bill

Posted on Nov 19, 2008

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