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Period correct exhaust for 1995 M900?

Started by Malloy, December 24, 2021, 11:38:48 AM

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koko64

#60
Cool. Keep us updated.:)

I think that's a good choice. My view is that part throttle torque and throttle transition response is better with the 39's. I like the 41's for a maximum effort motor build.

I'm curious as to the tuning solutions the tech used. Will you be running a stock or open airbox? I'm currently working on a Superlight with 41's. Off the top of my head the last two sets of FCR's were on M750's with 39's, before that three worked M900's with 41's and previous to that a worked, blueprinted Superlight 944 with 39's.
I kept all my data from road and dyno tuning. :D
2015 Scrambler 800

Malloy

Will do.  Looks like I'll have my title in 1-2 weeks.

I got the stock airbox kit.  Not sure about tuning.

Quote from: koko64 on June 06, 2022, 08:28:51 PM
Cool. Keep us updated.:)

I think that's a good choice. My view is that part throttle torque and throttle transition response is better with the 39's. I like the 41's for a maximum effort motor build.

I'm curious as to the tuning solutions the tech used. Will you be running a stock or open airbox? I'm currently working on a Superlight with 41's. Off the top of my head the last two sets of FCR's were on M750's with 39's, before that three worked M900's with 41's and previous to that a worked, blueprinted Superlight 944 with 39's.
I kept all my data from road and dyno tuning. :D
95 M900 | 20 T120 | 71 XS650
13 1100EVO 20th | 03 1000Sie Senna (gone)

Malloy

Got my title at 8PM last night - got it registered, insured and inspected by noon today.  Rode it about an hour around the city and it was pretty great.  The intake makes a weird whistle at WOT but the overall intake noise still wins.  Is that common with the airbox mod?   

I hope to ride it more in the coming days.   

I need bar-end mirrors ASAP, the stockers are no bueno.  Black 80mm Spy-R are likely.

Quote from: koko64 on June 06, 2022, 08:28:51 PM

Cool. Keep us updated.:)

I think that's a good choice. My view is that part throttle torque and throttle transition response is better with the 39's. I like the 41's for a maximum effort motor build.

I'm curious as to the tuning solutions the tech used. Will you be running a stock or open airbox? I'm currently working on a Superlight with 41's. Off the top of my head the last two sets of FCR's were on M750's with 39's, before that three worked M900's with 41's and previous to that a worked, blueprinted Superlight 944 with 39's.
I kept all my data from road and dyno tuning. :D
95 M900 | 20 T120 | 71 XS650
13 1100EVO 20th | 03 1000Sie Senna (gone)

koko64

FCRs can twitter like a nest of sparrows in your airbox at certain rpm.
An open airbox resonates with the sound of gulping air that sounds pretty fierce.
2015 Scrambler 800

Malloy

#64
Quote from: koko64 on June 10, 2022, 02:16:13 PM
FCRs can twitter like a nest of sparrows in your airbox at certain rpm.
An open airbox resonates with the sound of gulping air that sounds pretty fierce.


Ok, rode the bike about 60 miles around the city today.  LOVE IT.  The whistle is a little weird but at WOT the rest of the carb sound is all that matters.

I picked up this survivor with ~600 original miles.  The local dealer added the header, pipes and FCRs while waiting for the title.  I now need to clean it up, add bar-end mirrors and sort the droopy right pipe.    The left engine cover has some corrosion from the slave taking a shit so I might try to sort that in time.  Oh, I need to do something about the mudguard...I'd never cut the frame and I'm cool with the beer tray.

I've had a few big cc air-cooled Monsters and I think this is my fav yet!




95 M900 | 20 T120 | 71 XS650
13 1100EVO 20th | 03 1000Sie Senna (gone)

koko64

#65
Very nice, very clean example. [thumbsup]
More pics please, especially the exhaust and header pipes. Are they the spaghetti pipes you mentioned? They look a lot like the 45mm DP type. Are they the Sil Moto ones in the previous pics?
2015 Scrambler 800

Malloy

Quote from: koko64 on June 12, 2022, 05:43:11 PM
Very nice, very clean example. [thumbsup]
More pics please, especially the exhaust and header pipes. Are they the spaghetti pipes you mentioned? They look a lot like the 45mm DP type. Are they the Sil Moto ones in the previous pics?

Thanks!  I've been looking for one of these for ages - I still want a 1993 but this will hold me over until I find one. 

Yep, Silmoto(r) as posted upthread.  They don't have a website but their Facebook is active.  I sent them a FB message and the rest was history.  This is the same legacy design but TIG-welded beautifully.  500 euro.  They have a high mount design as well. 


They also have megaphone silencers for 600 euro.  Were they available back in the day?  I was a high school kid when this bike was new, so I'm not fully up on the aftermarket.

https://www.facebook.com/SILMOTOR
95 M900 | 20 T120 | 71 XS650
13 1100EVO 20th | 03 1000Sie Senna (gone)

koko64

#67
The carb/exhaust combo should let the motor rev out nicely. I had a 94 model with a worked motor, it was gorgeous.


https://www.flickr.com/photos/150482584@N03/52142612640/in/datetaken/

https://www.flickr.com/photos/150482584@N03/52142612640/in/datetaken/
2015 Scrambler 800

Malloy

95 M900 | 20 T120 | 71 XS650
13 1100EVO 20th | 03 1000Sie Senna (gone)

koko64

2015 Scrambler 800

koko64

With the flatslides those grey plastic pods can be removed. There is one small screw underneath holding each one.
2015 Scrambler 800

koko64

Have at least the front brake lines changed if they are original. Was pumping the brakes on a 95 model recently while bleeding them and a large blister appeared on the front line :o
2015 Scrambler 800

Howie

Nice!  Replace those brake lines with steel.  Great upgrade.

greenmonster

Quote.They also have megaphone silencers for 600 euro.  Were they available back in the day?

Oh yeah, low and himount available, still have the ss hi on mine, gorgeous and oh so brutal sounding.

http://www.ducatistas.com/foros/index.php?PHPSESSID=2mghk3eigd4cjoqtu71fhpdjs2&topic=79300.10

M900 -97 
MTS 1100s  -07

Malloy

Good call on the brake lines.  I'll look into that.

I think I'm going to order the Silmotor megaphones next...they look awesome.
95 M900 | 20 T120 | 71 XS650
13 1100EVO 20th | 03 1000Sie Senna (gone)