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Author Topic: comparisons in riding 2 vs 4 valve: favourite Ducati engine and why!  (Read 12951 times)
bazz20
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« Reply #15 on: January 04, 2009, 03:30:06 AM »

well spider went for one of my on any sunday ride today went up through a coulple of passes and there wasnt any thing new just lots of road kill a few camper vans some sheep and and few patches of gravel  any way on the way home going up a big straight got past by some big jap bikes and a coulpe other makes and the little girl said let them go but the sun was shinning and the birds were singing so i told her to shut up and turned acdc up and went for it buggered if we could catch them , i was yelling give me more scotty but there was no more but then we hit the pass and one by one the little girl carved them up thats when i new i was on the right bike for me any one can go fast in straight line  bow down
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« Reply #16 on: January 05, 2009, 06:28:54 PM »


Has anyone compiled a list  of Monster 2V- 4V pro/cons  best year models and or problematic engines ? Links ?
There are so many models from past years with different engines an unbiased opinion would be great.
dez


Ian Falloon (Aus) produced a book along these lines a few years ago. It is probably about due for an update.
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G
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« Reply #17 on: January 05, 2009, 06:33:04 PM »

I have mostly ridden a two valver and had test rides on various four valvers.
My experience has been that the four valvers amongst other things are smoother to ride.
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Dockstrada
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« Reply #18 on: January 05, 2009, 08:00:27 PM »

well spider went for one of my on any sunday ride today went up through a coulple of passes and there wasnt any thing new just lots of road kill a few camper vans some sheep and and few patches of gravel  any way on the way home going up a big straight got past by some big jap bikes and a coulpe other makes and the little girl said let them go but the sun was shinning and the birds were singing so i told her to shut up and turned acdc up and went for it buggered if we could catch them , i was yelling give me more scotty but there was no more but then we hit the pass and one by one the little girl carved them up thats when i new i was on the right bike for me any one can go fast in straight line  bow down

Ah Bazz sounds just like my dreams i have every time im about to have a track day ,only diff is i also flog them on the straight  Evil I love  to grin at them as they walk past the pit gararge with a dirty look on their melons cheeky
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bazz20
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« Reply #19 on: January 05, 2009, 09:07:39 PM »

Ah Bazz sounds just like my dreams i have every time im about to have a track day ,only diff is i also flog them on the straight  Evil I love  to grin at them as they walk past the pit gararge with a dirty look on their melons cheeky
yep dock and i forgot two things all so we sound and look better too  waytogo
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Dockstrada
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« Reply #20 on: January 05, 2009, 10:00:25 PM »

yep dock and i forgot two things all so we sound and look better too  waytogo


Yes we do dont we ,  Vino!

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Spider
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« Reply #21 on: January 06, 2009, 02:01:16 AM »

I have mostly ridden a two valver and had test rides on various four valvers.
My experience has been that the four valvers amongst other things are smoother to ride.

what sort of riding you doing G?
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Big T
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« Reply #22 on: January 06, 2009, 02:35:33 AM »

I had a 2 valved in my garage for 12 months while a mate was overseas.....

Must say that it was "easier" to ride compared to my S4RT.....

The S4RT is a hand full. You breath on the throttle and it goeeesssssss very fast. I'm not a wheelie person but twist the grip in any circumstance and you can lift the front wheel.

The 2 valved still had plenty of punch but not as wild when the wrist was twisted.....

My preferences:

Round town 2 valved thanks...

On the twisties 4 valved please......
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monstermick58
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« Reply #23 on: January 06, 2009, 03:04:50 AM »


i did one motor that we had in bits as it had run the big ends, but we just got them k-lined.  i wouldn't go to the trouble of replacing guides when even the later ones are a bit dodgy apparantly and the k-lines work so well.  we never did any others.

and we had plenty of 900 motors back when we did valve clearances at the first service where you could wobble the exhaust valves about a heap.  so the factory definition of 'ok' could perhaps be quite wide.  like bmw's allowable '1 litre per 1,000km' oil usage thing - if you make the spec wide enough then they're all ok.


OK brad you got me, what the truck are k-lines ??
and my bike has used oil like an arab on a binge




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« Reply #24 on: January 06, 2009, 01:33:28 PM »

what sort of riding you doing G?
Spider, I would say mostly country riding with a few trackdays each year. Only occasionally do I ride around the city in Melbourne.
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tricolore
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« Reply #25 on: January 06, 2009, 03:09:35 PM »

What Big T Says,
I recently decided to "commute" to North Sydney one day and Manly another, Busy traffic etc.. "HELL" on the S4RS 4V. There is no way I could do that too often. On both occassions I detoured the way home for a blast up old rd on the way home and then I was in love again...
Having never ridden a 2v I can only assume its a heap happier around town.
Depends on your riding, location and intention for the bike. I ride on occassional weekends, 4v perhaos a little over the top especially with full termi ecu etc but I love it.
P.S. Look on the bright side, Its a cool choice to have to make waytogo
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« Reply #26 on: January 06, 2009, 03:27:51 PM »

The 2V (1000DS) is good around town, I commute 130k round trip and it'd be hell on a 4V as the 2V still gets a bit snatchy and grumpy in traffic and wants to GO. waytogo

Nothing wrong with the 2V either for the squirt through the twisties. It doesnt feel the need to try to point skywards with every gearshift which, can make for quick point to point riding. Evil
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« Reply #27 on: January 06, 2009, 10:54:22 PM »

k lines are basically sleeves for valve guides.

paul.

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Spider
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« Reply #28 on: January 07, 2009, 01:01:54 AM »

Hey....everyone....maybe we should call this thread....what is your favourite Ducati engine you've ridden (and why)...

Paul, you've got a heap of Ducati experience...what have been the highs and lows?
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brad black
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« Reply #29 on: January 07, 2009, 04:08:09 AM »

ime a well mapped 4v is nicer all over than a 2v motor.  the dp ecu for the s4r ranges seem a bit off down low, but when done right they're very nice.  the wheelie thing is due to engine style, capacity, wheelbase and seating position.  the seating position contributes a lot to the monster's wheelie ability.

a smaller engine really helps reduce that too, any of the 1000 2v should wheelie without thinking about it in first at least as well.

the s4 isn't as responsive as they tend to be a bit taller geared with the close ratio gearbox to maintain a resonable cruising rpm.  plus it's a bit smaller motor.

a well mapped 748 is quite amazing how smooth and easy to use they can be down low.  it's all about the quality of the mapping, any of them can be very nice when done right.  i think ita would back that up after his kitted s4r was mapped with the pc3.
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