Question about 2001 Ducati 748 R

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Not sure about the postion of the missing teeht and valve timing

Maybe you can help, my douchters frient have overhole his 748 engine and I looked somtimes to help.
Now I am not sure about the position of the missing teeth in the cam gear in relation of the camshafts for the front cylinder.
On this moment is are the missing teeth position 180 deg rotated from the ignition sensor, and the front piston on TDC on the begin of the combustion stroke.
Is this correct?
Thanks in advantage!!!
Rien Brand

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  • Ducati Master
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When there are missing teeth on a cam gear the motor will never run. for as those teeth pass thru it puts the motor out of time again and again , and again

Posted on Mar 02, 2016

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SOURCE: 749 stalling

You dealer should be able to fix this, probably under warrenty. I believe it's a TPS setting change. I "cured" mine by raising the idle, but it's gotten way better with miles. 15k now and it rarely stalls. These motors are pretty tight. Also, if I may, you still need to use the fast idle lever when cold starting...the slightly increased revs gets oil to the top end sooner, thus saving wear and tear on your valvetrain.

Posted on Nov 20, 2008

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Posted on Jan 02, 2017

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1997 ducati 748

Hi, Anonymous and the usual suspects are:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition and leaking.
3. Spark plug gap too close or too wide.
4. Faulty ignition coil, module, and or sensor.
5. Battery nearly discharged.
6. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
7. Intake air leak.
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9. Fuel tank vent system plugged or carburetor vent line closed off.
10. Carburetor controls misadjusted.
11. Damaged carburetor.
12. Loose, dirty, or corroded ignition module connector at crankcase.
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14. Incorrect valve timing.
15. Weak or broken valve springs.
16. Damaged intake or exhaust valve.
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Hello, I have a 1995 ducati 748 with a leaky fuel cap. Im looking for an exploded diagram of a fuel cap in order to figure out if im missing a part. can you help? Thank you Tate

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Sep 14, 2010 | Ducati 748 E- S (Biposto-Monoposto) - R...

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I have a 2001 ducati 748 when i put the bike in any gear the bike just moves slow but the engine revs if i rev slow the bike will pick up speed

Time for some new plates in there. I have an 02 s4, and my clutch did the same thing. had to get a clutch pack and put it in, fairly easy job. you have to get the old one out and measure the plates to see if they are worn etc, new seals, bearings, plates, springs. I would check the adj on my clutch lever first to make sure it is right. Also, when mine first started slipping, it was real hot out. It cooled down that day and worked fine, but I had trouble from then on, slipping. Had changed the oil and everything to try and fix it. Hope this helps.

Aug 28, 2010 | 2001 Ducati 748 R

1 Answer

Engine missing threw full rev range and rpm fluctuating at idle

Sounds like you definitely need to do a major tune up, that being you need to adjust the valves and cam chain. You most likely have very tight valves which will cause the erratic idle and misfiring. I'd also check to make sure you don't have any air leaks in the intake manifold. A cracked manifold will certainly cause a problem like this. One last thing would be to make sure the carbs are synchronized. If they are out of synch you will never get the bike to idle smoothly.
Let me know if these recommendations help or not. I'll advise after you post your findings.

Dec 08, 2008 | 1988 Honda CBR 400

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748 dies 15 minutes into ride

mine did exactly the same, its draining the battery and dukes wont run if the battery is drained. the battery will recover itself when not running therefore will start, but will soon use what little power is left in the battery then die. all u need is a regulator rectifier, its a little black box under the seat and takes 2mins 2 change, should work, if not, get a new altinator. start the bike up, and connect a voltage reader from eack battery terminal, should read 13, mine was reading 10.5, changed the reg rec and all is good. give it a try, hopes this helps

Nov 10, 2008 | 2000 Ducati 748 E- S (Biposto-Monoposto) -...

1 Answer

748 dies 15 minutes into ride

as soon as I got down here the bike started dying about 15 to 20 minutes into a ride. This bike has never given me a single problem prior to moving. It seems like something electrical to me but I really have no idea where to begin. I'm guessing (wild shot in the air here) that some component is getting hot and failing. I could walk downstairs and start it up now and it would start fine and then fifteen minutes later it will die and not start until it has cooled down and sat for a bit. This has happened four times now. I keep it in the neighborhood since I am expecting it to shut down and I end up pushing it home. I've drained the gas and replaced it checked all of the connectors I could get my hands onto. I had some crud on the positive terminal that I could see glowing, so I cleaned all of that up. I'm planning to tear the engine down soon anyways, but I'd like to know what is causing this before I get started. If anyone has experienced this, I would appreciate any info. Thanks guys. Relevant Info: 1998 748 ~20k miles Sil 1/2 system, ITG filter, DP chip,You're throwing darts instead of troubleshooting. When the bike is dead, begin the diagnosis by determining which of the three required elements are missing; i.e., air, gas, or spark. Once you determine this, then systematically trace upstream from the engine, using a good shop manual which describes the systems. Most manuals, like Haynes or Clymers, have a troubleshooting section which may help you once the missing element is identified.,,,

Nov 10, 2008 | 2001 Ducati 748

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