That grommet in the vertical inlet lol. When you showed the air box at the very beginning I spotted the grommet was missing and that the tank mount peg had filed the airbox away. Glad you found it before it as a disaster.
First off, you lucky S.O.B. I ABSOLUTELY LOVE THESE BIKES. The 748 has been a dream of mine the moment I sat on it about 20 years ago (I'm 41 now). Awesome video man, enjoy her these older bikes are classics and disappearing FAST TOO. 👌
Put a magnet on a stick, in the strainer hole and wave it along the bottom of the sump, if you don't pick up anything major, the engine may be good. When checking the valve clearance, check for the recommended clearance at the high point of the lobe. The high point may not be at TDC, especially the closing lobes. You will have to remove the belts, put the piston 1/2 way down the bore, and rotate the cams to find the high point of each lobe, and measure and set the clearance. Best way to do this is with the heads off, on the bench. Starting with the closing rockers pull all the rockers and springs on the cam you're working on. Reinstall the 1st closing rocker without the spring, and making sure the collets are fully seated in the valve & shim, set it for a slight drag at the high point of the lobe. Slight drag means barely discernible as you, using the pully, rotate the cam by hand. Do this with the cam bearing blocks all their screws in and tightened (you'll get a false reading if you don't). Remove the shim and closer from the valve you just did and move on to the next. Re-assemble all the closers with springs and do the openers. Openers don't need to be done individually in the same manner as the closers. Buy a shim kit, they were reasonably priced, and you may need at least one at the next service check. Great vid! And good luck with her! She's a keeper! (Can you get the image full screen!? Or at least turn the phone horizontal?)
@@liberals_destroy_everythin2497 It is time consuming, but pretty uncomplicated to do yourself. I may be biased, I've been working on Ducatis for many years.
Inspect rocker arms even if cams are in spec or you might be needing new cams when worn rockers damage the cams. happens mostly to openers but can be both openers and closers.
Owning a 2002 748, I have considered checking the torque on the Alternator rotor bolt... mine has the later 3 phase alternator, the Haynes manual claims that these later alternators dont suffer with lossening of the nut??
small spacers under clutch outer cover are normally embedded in the rubber sound deadening gasket, they are removed and used as spacing normally when open covers are used. Use/make similar spacer on all 4 bolts or buy a cover patterned off of a early cast aluminum cover that did not have a sound deadening gasket.
That's not necessary any more, unless you are racking up the miles. If you buy decent kevlar belts, do the job yourself (properly), then check them every 12 months, there's no reason they won't be pristine after 5 years.
Bit of a bike mechanic, warning bells ringing loud and clear. Having worked as a professional mechanic I always dread these people. I could write a book on some of the crazy things I've seen. I'm wondering if dropping the motor out might be the way to go if the clearances are suspect and easier to do the belts. Very interesting though and thanks for posting.
I understand you may not have the space for it but I’d reckon you’d have the time for it, I would tear the bike down completely & go through it from top to toe. great bike & incredible price. So, good luck & keep it!
That rubber looks like the item that fits into the front of the airbox, it appears to be missing at 1.20? The tank peg locates into it, was the tank a bit loose at the front end?
great info. But you need to record in land scape mode "like - not | " bring the camera closer to the work ur doing so we can see in detail what your doing.
You mentioned Grimsby Dave. May I ask where you're located? I'm from Hull but lived in Australia for 47 years. Eldest son had a Ducati very much like yours, plus a Fat Boy and a Fireblade. Decided he was desperate to get a mortgage so they all had to go. I never got to ride any of 'em, a bit too old now and been off motorcycles too long. Must say I'm enjoying these podcasts though, always had a soft spot for Ducati's, but never owned one....
Powder coating is for amateurs , it's not an outside finish just take a look anything that has that type of finish that's done a few winters in our climate , if you have to do the shims in the future take the heads off it's so much easier and safer , if you drop one of the half rings down the oil return holes on the vertical head it'll end up in the gearbox 😉
Bloody cheeky guy! I give you the spare I have and you moan .lol . Think if the grommet had been in there any length of time you would have had running issues and not even run properly and it would have shown signs of damage due to butterfly ! More likely when you were trying to get the tank off !!!!!!!
Hey Carl, I appreciate the parts, merely that moment I realised I needed extras, lol. The grommet was pretty well wedged, it probably wouldn't have been able to get passed the valve guide anyway, just a bit of a surprise to find!
Multiple rocker arms will likely need to be replaced..$. Don’t forget the belts, valve clearances and anywhere there is an electrical connection. Other than that, they’re fine.
if you're a mechanic you can buy anything you like but imagine that they took 300 pounds to unlock a door in the uk a job that took the lock smith 2 mins no exaggeration so imagine how much a mechinc would take.
If you're going to do this interesting series of video's, please put the camera the right way around, makes it bloody hard to watch in portrait mode!
God please do
I was about to say the same thing. I started watching and found it interesting but cussed the bloody view the whole time, lol...
@@freshconnekt right
He did fix it later in the following videos. I must say that I did thoroughly enjoy this little series, lol
Really enjoyed the series ! Works well on my phone don’t listen to people complaining. You do what you do !
That grommet in the vertical inlet lol. When you showed the air box at the very beginning I spotted the grommet was missing and that the tank mount peg had filed the airbox away. Glad you found it before it as a disaster.
First off, you lucky S.O.B. I ABSOLUTELY LOVE THESE BIKES. The 748 has been a dream of mine the moment I sat on it about 20 years ago (I'm 41 now). Awesome video man, enjoy her these older bikes are classics and disappearing FAST TOO. 👌
They are a pleasure to behold :) Glad i still get to borrow it from time to time
Put a magnet on a stick, in the strainer hole and wave it along the bottom of the sump, if you don't pick up anything major, the engine may be good.
When checking the valve clearance, check for the recommended clearance at the high point of the lobe. The high point may not be at TDC, especially the closing lobes. You will have to remove the belts, put the piston 1/2 way down the bore, and rotate the cams to find the high point of each lobe, and measure and set the clearance. Best way to do this is with the heads off, on the bench. Starting with the closing rockers pull all the rockers and springs on the cam you're working on. Reinstall the 1st closing rocker without the spring, and making sure the collets are fully seated in the valve & shim, set it for a slight drag at the high point of the lobe. Slight drag means barely discernible as you, using the pully, rotate the cam by hand. Do this with the cam bearing blocks all their screws in and tightened (you'll get a false reading if you don't). Remove the shim and closer from the valve you just did and move on to the next. Re-assemble all the closers with springs and do the openers. Openers don't need to be done individually in the same manner as the closers. Buy a shim kit, they were reasonably priced, and you may need at least one at the next service check.
Great vid! And good luck with her! She's a keeper! (Can you get the image full screen!? Or at least turn the phone horizontal?)
Thanks for the details, much appreciated
@@liberals_destroy_everythin2497 It is time consuming, but pretty uncomplicated to do yourself. I may be biased, I've been working on Ducatis for many years.
When I did my 748 valve shimming, I couldn't find q shim kit anywhere outside of the USA?
Great stuff, keep them coming.
Great videos Dave. Enjoyed your interview with performance bikes also 👍
Try to use the camera the right way. I dont have my widescreen tv installed in longview.
Love lease videos. Awesome job Dave!
The sensible thing to do is to part out the Ducati on Ebay & buy an SV650. I probably wouldn't do that either.
Inspect rocker arms even if cams are in spec or you might be needing new cams when worn rockers damage the cams. happens mostly to openers but can be both openers and closers.
Yes and sometimes you cant see it unless you use a realy sharp metal toothpick and see if you can feel a litle dump on the coating
rubber grommet is the front airbox grommet that the front tank mount fits in. Rounded side toward the tank.
Owning a 2002 748, I have considered checking the torque on the Alternator rotor bolt... mine has the later 3 phase alternator, the Haynes manual claims that these later alternators dont suffer with lossening of the nut??
Correct, the design changed so the bolt stays tight on the later bikes
@@obsession_engineering good man, thanks for clarifying, I will leave her alone then! Cheers
Peter
small spacers under clutch outer cover are normally embedded in the rubber sound deadening gasket, they are removed and used as spacing normally when open covers are used. Use/make similar spacer on all 4 bolts or buy a cover patterned off of a early cast aluminum cover that did not have a sound deadening gasket.
New timing belt every 2 years is a bit turn off for me. That rubber grommet in the inlet was a shocker for sure!
That's not necessary any more, unless you are racking up the miles. If you buy decent kevlar belts, do the job yourself (properly), then check them every 12 months, there's no reason they won't be pristine after 5 years.
Bit of a bike mechanic, warning bells ringing loud and clear. Having worked as a professional mechanic I always dread these people. I could write a book on some of the crazy things I've seen.
I'm wondering if dropping the motor out might be the way to go if the clearances are suspect and easier to do the belts. Very interesting though and thanks for posting.
I understand you may not have the space for it but I’d reckon you’d have the time for it, I would tear the bike down completely & go through it from top to toe. great bike & incredible price. So, good luck & keep it!
Like the vids Dave how was the rhubarb crumble lol
Blooming epic!!
That rubber looks like the item that fits into the front of the airbox, it appears to be missing at 1.20? The tank peg locates into it, was the tank a bit loose at the front end?
great info. But you need to record in land scape mode "like - not | " bring the camera closer to the work ur doing so we can see in detail what your doing.
I’d be extra careful handling the lhs engine cover , they are very fragile paper thin at the bolt holes.
Dave, any reason why you don't turn the crank by putting the bike in 6th and turning the wheel?
You mentioned Grimsby Dave. May I ask where you're located? I'm from Hull but lived in Australia for 47 years. Eldest son had a Ducati very much like yours, plus a Fat Boy and a Fireblade. Decided he was desperate to get a mortgage so they all had to go. I never got to ride any of 'em, a bit too old now and been off motorcycles too long. Must say I'm enjoying these podcasts though, always had a soft spot for Ducati's, but never owned one....
Powder coating is for amateurs , it's not an outside finish just take a look anything that has that type of finish that's done a few winters in our climate , if you have to do the shims in the future take the heads off it's so much easier and safer , if you drop one of the half rings down the oil return holes on the vertical head it'll end up in the gearbox 😉
Ducati official training says put bolts into those oil return holes to prevent that sort of thing
great vedio whis your camera was wider angle !
Looks like you have some valveflakes in the strainer
The odometer resets at 100000 kms so that bike could have 125000-325000 kms or so estimating
Bloody cheeky guy! I give you the spare I have and you moan .lol . Think if the grommet had been in there any length of time you would have had running issues and not even run properly and it would have shown signs of damage due to butterfly ! More likely when you were trying to get the tank off !!!!!!!
Hey Carl, I appreciate the parts, merely that moment I realised I needed extras, lol.
The grommet was pretty well wedged, it probably wouldn't have been able to get passed the valve guide anyway, just a bit of a surprise to find!
Surely the rubber grommet was a cheap performance mod. Restrict the air intake and get a richer fuel mix.
:) could be , lol
Ah,you've found the 'Ducati inlet rubber restrictors',removing the rubber grommets unleashes another 25 bhp,similar to the early '90's FZR 1000 EXUP.😉
No such thing as a cheap Ducati unless you do your own maintenance. I had four Ducati’s and speak from experience
Multiple rocker arms will likely need to be replaced..$. Don’t forget the belts, valve clearances and anywhere there is an electrical connection. Other than that, they’re fine.
Simple answer No..m8 owns a bike shop had loads through the shop not very unreliable shame there a great looking bike.
if you're a mechanic you can buy anything you like but imagine that they took 300 pounds to unlock a door in the uk a job that took the lock smith 2 mins no exaggeration so imagine how much a mechinc would take.
Letterbox view is a pain
no
Not a good idea to buy finicky European exotic things
My life is too short for people who can't figure out to record videos in landscape mode. It's just too stupid.
I have sorted that now!
@@obsession_engineering Yes you have. I have room for you in my heart now ;-)
Mouth full of spit always it sounds.