Hello All,
Pete here. I have just purchsed and had delivered a 1990 Ducati Sport 750. Its in pretty good condition, quite original except for the 2 into 1 exhaust. I had the drama of a sump full of fuel before even riding it. Its sitting in the shed at the moment. I'm not a mechanic by a long shot so it may stay there for the next 3 months until a mechsnic is available. Yep, 3 months wait!
I will ask a few questions here and maybe post them...
2 into 2 exhausts, can they be found ( Nothing for 750 Sport) I beleive a Monster exhaust would fit but what years and engine size monster?
Has anyone some carb info regarding their set up? My thought i to get the carb ro a specialist and give them the jet settings
Anyway, heres hoping I get another rare 750 on the road, the bike I first saw in 1989 and thought, geeez, one day I would like one of those..
Cheers,
Pete
New Ducati Sport Owner Melbourne AUS.
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- paso grand pooh-bah
- Posts: 1974
- Joined: Wed Dec 05, 2007 12:35 am
- model: 906 Paso
- year: 1990
- Location: Riverton New Zealand
Re: New Ducati Sport Owner Melbourne AUS.
Changing the oil is easy , just remove sump plug and drain into container and I would allow for 8 litres depending on how much fuel is in there . Refit sump plug .......after fishing it out of the drain container
, and with the bike level not on side stand, fill with oil until it between the 2 lines on the sight glass , cant remember but about 3 litres .
Usually when you get a sump full of fuel the suspicious eye settles on the carburettor float valve BUT if your bike has been sitting for a long while with a full tank it might be a time thing too .
Dont be intimidated by the thing , apart from adjusting the valves , which is not actually hard just fiddly , the bike is pretty basic , and I can guarantee you that anything you find to worry about there will be at least 10 threads about it here
There is a buttload of good info in the FAQ's tell you how to check the carb .
Exhausts ..... google and ebay are your friends , and your motor will be the same basic unit as any other 750 of that era so any set of headers will fit your motor but I dont know just how the stubs where you fit the mufflers are for angle (anyone ? ) , there may be differences between a sport and a monster here . Might pay to consider the weight difference too because the stock system is a hefty item and lightness of a good 2 into 1 is a bonus .
Why do you want to fiddle with the jets ? If it doesn't run as well as it should there is every chance that whoever fitted the 2 into 1 exhaust never changed the jetting , and if the 2 into 1 is no better than the stock exhaust it might not need changing . I would get your exhausts sorted 1st and I'm sure you will have a few choices for mufflers ( you can drop a golf ball thru the best ones
) and if its still on 16" rims Id be looking for tires because you cant always get them.
They are a bloody good ride , they aint stupid fast in a drag race but once you get the knack and get the chassis sorted they fly up a twisty road .

Usually when you get a sump full of fuel the suspicious eye settles on the carburettor float valve BUT if your bike has been sitting for a long while with a full tank it might be a time thing too .
Dont be intimidated by the thing , apart from adjusting the valves , which is not actually hard just fiddly , the bike is pretty basic , and I can guarantee you that anything you find to worry about there will be at least 10 threads about it here

There is a buttload of good info in the FAQ's tell you how to check the carb .
Exhausts ..... google and ebay are your friends , and your motor will be the same basic unit as any other 750 of that era so any set of headers will fit your motor but I dont know just how the stubs where you fit the mufflers are for angle (anyone ? ) , there may be differences between a sport and a monster here . Might pay to consider the weight difference too because the stock system is a hefty item and lightness of a good 2 into 1 is a bonus .
Why do you want to fiddle with the jets ? If it doesn't run as well as it should there is every chance that whoever fitted the 2 into 1 exhaust never changed the jetting , and if the 2 into 1 is no better than the stock exhaust it might not need changing . I would get your exhausts sorted 1st and I'm sure you will have a few choices for mufflers ( you can drop a golf ball thru the best ones

They are a bloody good ride , they aint stupid fast in a drag race but once you get the knack and get the chassis sorted they fly up a twisty road .
I wish I was young again............Id be heaps smarter than last time
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- Posts: 25
- Joined: Sat Aug 23, 2025 5:24 am
- model: 750 Sport
- year: 1990
- Location: Australia
Re: New Ducati Sport Owner Melbourne AUS.
Hi Mc tool,
I have just read an interesting post regarding header sizes for the Paso. Seems USA and Europe bikes were different diameters USA 35mm headers to cross over then 40mm to mufflers. I have an American import. The 2 into 1 fitted is pretty rough looking and the header bolts are rusty, I dont think I will try my luck until the set fails completely. Yep, filled a oil drain pan fully with the fuel oil, and then some. I have let it drain and drip for a week! will fill with fresh soon.
Tyres, Shino make them and are available here in Australia. Have ordered some. I cannot get the rear axle out as it has never been removed. I have put the bike on the sidestnad and am slowly putting a little break free on it every 1/2 hour or so hoping is soaks its way through. Even the brake pads look really dark/old!
I have just read an interesting post regarding header sizes for the Paso. Seems USA and Europe bikes were different diameters USA 35mm headers to cross over then 40mm to mufflers. I have an American import. The 2 into 1 fitted is pretty rough looking and the header bolts are rusty, I dont think I will try my luck until the set fails completely. Yep, filled a oil drain pan fully with the fuel oil, and then some. I have let it drain and drip for a week! will fill with fresh soon.
Tyres, Shino make them and are available here in Australia. Have ordered some. I cannot get the rear axle out as it has never been removed. I have put the bike on the sidestnad and am slowly putting a little break free on it every 1/2 hour or so hoping is soaks its way through. Even the brake pads look really dark/old!
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- Posts: 45
- Joined: Thu Sep 05, 2024 6:47 am
- model: 750 Sport
- year: 1988
- Location: Southland, New Zealand
Re: New Ducati Sport Owner Melbourne AUS.
Welcome to the forum Pete. Post us up a pic or two of your new steed if you get a chance. I have an '88 model myself that I'm turning (very slowly!) into a race bike for the classics class. Those brake calipers of yours are ideally going to need to be pulled apart and completely cleaned and may as well replace the piston seals while your at it. You'll find a tutorial on youtube no doubt if you require. All the best with your project and sing out if you get stuck at any stage.
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- Posts: 25
- Joined: Sat Aug 23, 2025 5:24 am
- model: 750 Sport
- year: 1990
- Location: Australia
Re: New Ducati Sport Owner Melbourne AUS.
OK, heres a photo, just a polish up and shes good to go.....errrr not really. Pulling the bike down is fairly easy. I am a bit stressed when it comes to putting back together! I would like to be a mechanical type, but I'm not real flash! The brakes look pretty dirty, little rust. I will pull them down and put in fresh seals ( Brembo 08, 38mm seals, right?). Clean up the pistons ever so gently. Fuel lines, old but ot leaking. As I never got to ride it I dont know how the forks/rear will go. I'm going to polish up the rear axle, it is a bit rusty. Slow and steady.
- Attachments
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- 750 Sport.jpeg (82.54 KiB) Viewed 74636 times
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- paso grand pooh-bah
- Posts: 1974
- Joined: Wed Dec 05, 2007 12:35 am
- model: 906 Paso
- year: 1990
- Location: Riverton New Zealand
Re: New Ducati Sport Owner Melbourne AUS.
Looks good . Give that axle a emery tape polish and a smear of some anti seize grease.
Take pix and put assemblies in plastic bags with the relevant fasteners .
I think its better to complete a task ( within reason ) before starting another , to many things on the go is not good for stress
Take pix and put assemblies in plastic bags with the relevant fasteners .
I think its better to complete a task ( within reason ) before starting another , to many things on the go is not good for stress

I wish I was young again............Id be heaps smarter than last time
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- Posts: 25
- Joined: Sat Aug 23, 2025 5:24 am
- model: 750 Sport
- year: 1990
- Location: Australia
Re: New Ducati Sport Owner Melbourne AUS.
I hope to get it together and riding well. That will be the best photo!
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- Posts: 45
- Joined: Thu Sep 05, 2024 6:47 am
- model: 750 Sport
- year: 1988
- Location: Southland, New Zealand
Re: New Ducati Sport Owner Melbourne AUS.
Wow that looks pretty tidy! Not sure on the seal size but I have a packet out in the shed, will look tomorrow. Cheers for the pic post.