74 Suzuki Gt750 Injection oil leaking

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bikingbagga
On the street
Posts: 41
Joined: Sun Mar 08, 2009 10:36 pm
Location: CASTAIC, CA

74 Suzuki Gt750 Injection oil leaking

Post by bikingbagga »

When I park the bike after a ride I get 2 stroke injection oil on the floor cannot see anything obviously broken ie injection lines etc nor can I detect exactly the leak location

Any ideas
rngdng
AMA Superbike
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Re: 74 Suzuki Gt750 Injection oil leaking

Post by rngdng »

There is a weep hole by the oil pump. If anything in there is leaking, that's where it usually escapes. With a small leak, following the trail may be difficult. Take the cover off over the oil pump, and you will probably see the oil, but finding which o ring, line, etc is actually leaking may be a bigger problem.


Lane
If you stroke it more than twice; you're playing with it.

Too many bikes, too much time, ENOUGH SPACE, FINALLY! Never enough money.........
Craig380
Expert racer
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Joined: Mon Dec 01, 2008 2:52 am
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Re: 74 Suzuki Gt750 Injection oil leaking

Post by Craig380 »

What Lane said. Also check the delivery tube from the oil tank down to the pump.

My old 380 had a tiny split in the tube where it connected to the oil tank, and the oil ran down the outside of the tube, under the oil pump cover, and pooled around the oil pump before dripping onto the floor. Probably no more than one drop of oil every couple hours. But when the bike's in the garage for a week, there was enough to drip onto the floor.

That caused me some fun and games until I noticed the tube was a little sticky with oil residue, I can tell you :wth: :roll: :wth:
1976 GT380 - wounded by me, and sold on
2006 SV650S - killed by a patch of diesel and a kerb in Feb 2019
2017 SV650 AL7 - naked and unashamed
bikingbagga
On the street
Posts: 41
Joined: Sun Mar 08, 2009 10:36 pm
Location: CASTAIC, CA

Re: 74 Suzuki Gt750 Injection oil leaking

Post by bikingbagga »

Thanks for the tips I will start the investigation

Much appreciated
GT750Battleship
Road race school
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Suzuki 2-Strokes: Suzuki GT750A 1976
Location: Sydney New South Wales

Re: 74 Suzuki Gt750 Injection oil leaking

Post by GT750Battleship »

Hi,modern synthetics two stroke oil is very thin and can leak past the gaskets & O rings/ banjo seals,check the pump at the banjo connection for tightness,pump may still have an internal leak problem with worn seals/gaskets though.
Cheers,
Roger
GT750Battleship.
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