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Author Topic: So What Problems Have You Had With Your S4 ???  (Read 5777 times)
fouramdesigns
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« Reply #15 on: November 11, 2009, 12:45:52 PM »

elaborate on this TPS, sounds similar to what I'm dealing with.
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2001 Monster S4, Termignoni/ECU, DP short air box w/BMC filter, Rizoma Zero's front/back, Cookie tail chop, Rizoma belt covers, Evoluzione slave, CF all over
NorDog
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« Reply #16 on: November 11, 2009, 01:02:13 PM »

elaborate on this TPS, sounds similar to what I'm dealing with.

Sometimes the bike dies when the clutch is disengaged and I "blip" the throttle a few times.  This is really a pain if I'm getting ready to make a quick right on red.  Also, the bike ran really rough at very low parking lot speeds.

I took it into a dealer who fixed it under warrantee and said it was a TPS adjustment.  The adjustment took care of the problem, but now it's coming back.  Seems the TPS needs adjustment about every 2500miles or so.
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roy-nexus-6
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« Reply #17 on: November 15, 2009, 11:52:28 AM »

I've got a 2002 S4.

No real dramas to date.

I was having problems at one stage where the bike would die at lights when idling if the temperature was in excess of 100C. I had that 'corrected' when the bike was serviced - I can only assume a TPS adjustment was done. Anway, the bike started dying at 70C and greater - really dangerous when your moving at low speed.

I removed the crankcase breather to clean up the tail up the tail of the bike a few weeks back - and the bike no longer dies at any temperature. Problem solved! Just not sure how.  chug
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jerryz
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« Reply #18 on: November 20, 2009, 10:03:45 AM »

I have had the base gasket leak , terrible handling problems now solved and  changed 8 opener rockers all flaked ,but the bike is a keeper I now love it as much as my other Ducatis.
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AndrewL
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« Reply #19 on: January 03, 2014, 11:47:25 AM »

2002 S4 13500 miles. Owned 7 years.

Tank hinge leak
Rear base gasket leak
Fuel sender failed
Clutch drum wear needed new one
A pin/screw undid from the crank and started to wear through the main bearing = rebuild.

BUT No flakey cam followers or anything else wrong found while it was in bits and it now has a new rear gasket.

Completely insane cost to maintain (It's serviced every year) could not recommend it to any sane individual.

But I like it!  Evil 
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Qomomoko
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« Reply #20 on: January 22, 2014, 10:06:39 AM »


Ground on horns

Regulator burned/overheted (also melted the engine air box)

ECU replaced/remapped (at low idle it was dying especially at red lights)


Currently will not start, battery bad or bad ground or bad stater motor

got her with 19k miles, she at 25k miles appx


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jerryz
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« Reply #21 on: January 24, 2014, 02:58:39 AM »

my S4 has been very reliable ,its heavily modified , it needed 5 new rockers at 4000miles but since then  no problem, now 30k its been all over Thailand , cambodia etc ,, had to replace a burned out regulator ,  TPS is a regular maintenace chore to set ,replaced battery twice  dur to they get tired after 3 -4 years , clutch wore out  ,

Its a great machine ..
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Qomomoko
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« Reply #22 on: May 28, 2020, 04:37:53 PM »

Ground on horns

Regulator burned/overheted (also melted the engine air box)

ECU replaced/remapped (at low idle it was dying especially at red lights)


Currently will not start, battery bad or bad ground or bad stater motor

got her with 19k miles, she at 25k miles appx





lets add::

breather(overflow) inner tank tube cloggged; unclogging in progress
Low fuel sensor cracked inside the tank; being replaced with new
tank shows minimal rust/wearinside; will get treated

horrible stock headlight brightness; corrected with headlight wiring kit from Easter Beaver
Tiny squicky horn; corrected with Easter Beaver hi power horn kit and a big boy horn.

Will get her a slipper clutch once she behaves healthy for more than 2 months  popcorn
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