Talk:Suzuki GT750: Difference between revisions
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I'm not sure how to do this, but part of the info is misleading. A "total loss" oil system typically refers to older design 4 stroke motors where there is no valve cover. The top end of the motor has oil pumped to it(typically valves, valve springs, pushrods or cams) and then the oil just drips or blows off. The term does not apply to 2 stroke engines. Typically 2 stroke engines oil the crankshaft & connecting rod bearings and piston by either oil that is mixed with the gas or injected straight to the bearings. In either case, the oil does not accumulated, but gets sucked up and burned in the combustion chamber. Some 2 Strokes mix oil with gas in the gas tank, others inject the oil between the carb and the piston where it gets mixed with the gas/air mixture. The GT750 both injected oil directly to the bearings and piston and injected it between the carb and piston. Two strokes typically burn more oil than 4 strokes, but not always. The GT750 could do 500-800 miles on a quart. |
I'm not sure how to do this, but part of the info is misleading. A "total loss" oil system typically refers to older design 4 stroke motors where there is no valve cover. The top end of the motor has oil pumped to it(typically valves, valve springs, pushrods or cams) and then the oil just drips or blows off. The term does not apply to 2 stroke engines. Typically 2 stroke engines oil the crankshaft & connecting rod bearings and piston by either oil that is mixed with the gas or injected straight to the bearings. In either case, the oil does not accumulated, but gets sucked up and burned in the combustion chamber. Some 2 Strokes mix oil with gas in the gas tank, others inject the oil between the carb and the piston where it gets mixed with the gas/air mixture. The GT750 both injected oil directly to the bearings and piston and injected it between the carb and piston. Two strokes typically burn more oil than 4 strokes, but not always. The GT750 could do 500-800 miles on a quart. |
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Thom Boswell |
Thom Boswell |
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Latest revision as of 22:32, 2 February 2024
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I'm not sure how to do this, but part of the info is misleading. A "total loss" oil system typically refers to older design 4 stroke motors where there is no valve cover. The top end of the motor has oil pumped to it(typically valves, valve springs, pushrods or cams) and then the oil just drips or blows off. The term does not apply to 2 stroke engines. Typically 2 stroke engines oil the crankshaft & connecting rod bearings and piston by either oil that is mixed with the gas or injected straight to the bearings. In either case, the oil does not accumulated, but gets sucked up and burned in the combustion chamber. Some 2 Strokes mix oil with gas in the gas tank, others inject the oil between the carb and the piston where it gets mixed with the gas/air mixture. The GT750 both injected oil directly to the bearings and piston and injected it between the carb and piston. Two strokes typically burn more oil than 4 strokes, but not always. The GT750 could do 500-800 miles on a quart. Thom Boswell thomboz@yahoo.com
The two stroke lubrication system is also "total loss", so the article is fine as far as I'm concerned. Sle (talk) 18:42, 7 September 2008 (UTC)
Actually, the injection style oiling system on two strokes can more properly be called a "once through" system.H2RICK (talk) 03:40, 4 March 2009 (UTC)
Fan
[edit]My 1972 GT750J had a cooling fan behind the radiator. One summer day in New Orleans, with a temperature of of 90+ F, I wanted to see when the fan would switch on. I left the bike idling in the afternoon sun. After about 30 minutes, the temperature gauge had slowly moved to about 3/4 when the fan came on. In less than a minute, the gauge was below 1/2, which was normal operating temperature, and the fan switched off. The 1973 model had no fan. 98.201.113.246 (talk) 02:08, 8 December 2021 (UTC)