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Ducati Monster Forum
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M750 Scrambler Project
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Topic: M750 Scrambler Project (Read 61988 times)
Howie
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Re: M750 Scrambler Project
«
Reply #165 on:
October 21, 2019, 10:59:57 PM »
Quote from: ducpainter on October 21, 2019, 09:57:34 AM
Was hoping for Michelin's, but that's an option if the 185 doesn't foul the chain.
I didn't look at other brands nor am I recommending these tires. Just that the size does exist. And, yep, Dunlops are sometimes a little chubby. Maybe these would work?
https://www.pirelli.com/tires/en-us/motorcycle/all-tires/sheet/diablo-rain
Or
https://www.bridgestone.com/products/motorcycle_tires/products/detail/pr151
I have no idea but a call to them might help.
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koko64
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Re: M750 Scrambler Project
«
Reply #166 on:
October 22, 2019, 12:37:49 AM »
Quote from: ducpainter on October 21, 2019, 04:11:06 PM
Only in Oz.
The MT60RS Corsa in 180/55/17 is $322 AUS plus shipping to New Hampshire
.
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2015 Scrambler 800
koko64
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Re: M750 Scrambler Project
«
Reply #167 on:
October 22, 2019, 12:46:30 AM »
Quote from: howie on October 21, 2019, 10:59:57 PM
I didn't look at other brands nor am I recommending these tires. Just that the size does exist. And, yep, Dunlops are sometimes a little chubby. Maybe these would work?
https://www.pirelli.com/tires/en-us/motorcycle/all-tires/sheet/diablo-rain
Or
https://www.bridgestone.com/products/motorcycle_tires/products/detail/pr151
I have no idea but a call to them might help.
The Diablo Rain come in 190/60, but not 180. They'd be tall on a 5.5 rim, but there's every chance they're as plump as a 180 Dunlop. Feeling lucky?
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2015 Scrambler 800
ducpainter
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DILLIGAF
Re: M750 Scrambler Project
«
Reply #168 on:
October 22, 2019, 03:06:21 AM »
Quote from: koko64 on October 22, 2019, 12:46:30 AM
The Diablo Rain come in 190/60, but not 180. They'd be tall on a 5.5 rim, but there's every chance they're as plump as a 180 Dunlop. Feeling lucky?
Not lately.
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"Once you accept that a child on the autistic spectrum experiences the world in
a completely different way than you, you will be open to understand how that
perspective
is even more amazing than yours."
To realize the value of nine months:
Ask a mother who gave birth to a stillborn.
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koko64
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Re: M750 Scrambler Project
«
Reply #169 on:
October 22, 2019, 10:24:18 PM »
Quote from: howie on October 21, 2019, 07:48:07 AM
175/55 RX 17 KR404 Rear Dunlop Rain Tire
Intended use for:
600cc motorcycle rear tire
Recommended Rim 5.5″ – 6″
Overall Diameter: 600mm
Overall Width: 116mm
45024484
185/55 RX 17 KR404 Rear Dunlop Rain Tire
Intended use for:
600cc motorcycle rear tire
1000cc motorcycle rear tire
Recommended Rim 5.5″ – 6″
Overall Diameter: 25.43
Overall Width: 7.36
45024890
Twist the Throttle With Us!
That 175 would be good. Would be as fat as a 180 Michy if its true to form.
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2015 Scrambler 800
koko64
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Re: M750 Scrambler Project
«
Reply #170 on:
October 22, 2019, 11:52:17 PM »
IMG_2515
by
Tony Kokonis
, on Flickr
Next step is to get a spring for this Ohlins DU440. I'm 200 in shorts, so what do you recommend for my old 750 for scrambler duties? The numbers are no longer visible on the spring but its too soft. What about the oem Sachs progressive spring?
The forks are still not ready, so I hope the chromer hasn't lost them. Since I raised the front and lowered the back, the front feels better in the rough stuff and dirt roads. Went down a steep gravel road today and felt quite ok.
«
Last Edit: October 22, 2019, 11:54:51 PM by koko64
»
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2015 Scrambler 800
ducpainter
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DILLIGAF
Re: M750 Scrambler Project
«
Reply #171 on:
October 23, 2019, 02:47:46 AM »
I have a 10.5 on my Monster with the Ohlins, and I'm under 200 fully geared. I'd think an 11.5, or 12. You might try emailing Eric, or Nick might have notes on a 200 pounder.
The stock spring will be too soft.
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"Once you accept that a child on the autistic spectrum experiences the world in
a completely different way than you, you will be open to understand how that
perspective
is even more amazing than yours."
To realize the value of nine months:
Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent.”
koko64
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Re: M750 Scrambler Project
«
Reply #172 on:
October 23, 2019, 03:11:01 AM »
I knew the spring was too soft as it fell through the stroke too quickly and I was using too much compression damping to compensate.
Bugger, the more correct weight springs in my "spring bank" are all the wrong dimensions. I'll visit my suspension guy and try to scab a used spring.
Edit: I think the oem Sachs spring is too long anyway.
«
Last Edit: October 23, 2019, 04:06:42 AM by koko64
»
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2015 Scrambler 800
ducpainter
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Re: M750 Scrambler Project
«
Reply #173 on:
October 23, 2019, 04:06:11 AM »
Before you spend money on a spring, check with someone. I'm going by memory, but I'm pretty sure I'm recalling correctly.
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"Once you accept that a child on the autistic spectrum experiences the world in
a completely different way than you, you will be open to understand how that
perspective
is even more amazing than yours."
To realize the value of nine months:
Ask a mother who gave birth to a stillborn.
"Don't piss off old people The older we get, the less 'Life in Prison' is a deterrent.”
koko64
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Posts: 15711
Re: M750 Scrambler Project
«
Reply #174 on:
October 23, 2019, 04:46:36 AM »
Cheers
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2015 Scrambler 800
koko64
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Re: M750 Scrambler Project
«
Reply #175 on:
October 29, 2019, 10:30:36 AM »
I recently had a solid day riding a borrowed Scrambler Icon 800. The bike was an 18-19 model and the suspension, handling, ease of use and smooth engine were a treat. The suspension was very good over rough roads, really soaking up broken tarmac and staying composed. I had read negative reports about the suspension, but maybe this has been resolved on later models. Edit: A recent ride report indeed confirmed changed spring and damping rates for model 2019 giving more compliance and ride quality.
The bike was dead stock and to my surprise it felt very restricted and slow compared to my M750. My M750 has K&N pod filters, jet kit, light flywheel and Staintune slip on pipes. I thought that even a stock Icon 800 should smash my mildly tuned M750. If the Icon was running ok, and it seemed fine and very smooth), then maybe the single throttle body, Y inlet manifold, Euro 4 tune and exhaust Cat have really taken a toll on the 800 motor. The motor was so smooth and easy to use I suspected a heavy flywheel and significant rotating mass of other engine internals.
Overall, despite the surprisingly soft power the bike felt very good on rough back roads and I bet the Icon's motor works great on dirt roads. I was very impressed with the way the suspension used it's 150mm of travel with well controlled damping.
Anyway, just a point of comparison to inform the direction of the M750 project.
«
Last Edit: November 19, 2019, 12:47:58 PM by koko64
»
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2015 Scrambler 800
koko64
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Re: M750 Scrambler Project
«
Reply #176 on:
October 31, 2019, 01:29:36 AM »
Who says Scramblers are just for young hipsters?
«
Last Edit: October 31, 2019, 01:31:26 AM by koko64
»
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2015 Scrambler 800
koko64
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Re: M750 Scrambler Project
«
Reply #177 on:
November 01, 2019, 09:06:11 AM »
In a few weeks I will take my Evo 1100 to the dyno and the suspension shop is literally next door (very handy). I will have info on the progress and viability of the 750 fork rebuild and an appropriate spring for the DU440. The spare 750 forks were sent to the chroming shop but are not ready. I will have to enquire in person to see if not ready means they are too far gone to rechrome, lost, etc.
Dropping the rear ride height to its lowest position and raising the front to the max on the 750 has made the front feel much better on dirt roads and reduced the fork sag through altered weight distribution. This has increased the available fork travel by unloading them more like a dirt bike, letting them ride higher in the stroke, but it has highlighted the limitations of the Sachs shock. The adjustability of the Ohlins DU440 should give me more options to dial them in to handle the rearward weight distribution. I note that I ride the 750 differently around this altered weight distribution, more in the style of riding my mates DR650 or Tiger 800. If the spare forks cant be fixed then oil weight and levels could be adjusted on the current forks as they feel reasonable being unloaded. The unloaded forks would feel like crap trying to ride sportsbike style by weighting the bars and front tyre and hanging off like on my Evo or Gixxer, instead the pegs and rear tyre are weighted and the bike pushed under the upright rider with the wide, high bars. This is second nature to you dirt guys, but a new skillset for me which is great fun.
«
Last Edit: November 03, 2019, 11:48:54 AM by koko64
»
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2015 Scrambler 800
Howie
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Re: M750 Scrambler Project
«
Reply #178 on:
November 01, 2019, 07:46:35 PM »
This may help
https://www.racetech.com/page/title/FTNK%20Fork%20Tubes
Thanks for the Scrambler video
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koko64
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Re: M750 Scrambler Project
«
Reply #179 on:
November 01, 2019, 09:03:07 PM »
Ive saved that Howie, thanks mate.
Gotta like the pipe..
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2015 Scrambler 800
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