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Old 03-20-2012, 12:22 AM   #12571
Resi
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Quote:
Originally Posted by Bambi View Post
... Everybody seems to be busy preparing her's/his Big for spring-launch or is already riding it.
True, true...

Did a double refill on my Oranje last Saturday...

Cheerio
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Old 03-20-2012, 03:55 AM   #12572
bluesman
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Quote:
Originally Posted by Ladder106 View Post
I received the JAMA pipe from Canada today.

Here is it in parts. The design is a bit like the Supertrap but this uses a separate piece with holes rather than stacked discs.



The actual can is "straight through". It was $80.00 so I took a risk. Not certain if I'll be keeping it since the GPR is still enroute. I still need a large clamp for the can to mid-pipe interface but will have to get that from the aircraft part place since none of the shops that deal with cars or motorcycles know anything about the good exhaust clamps.









I built a bracket (still unfinished) and mounted the pipe.



The mid-pipe fits well and it's obviously built for the DR750. It's a bit on the loud side. Not bad at small throttle/steady state but has a definite POP when accelerating. Much lighter than standard.

The end piece says "JAMA Original"

The shop said it was made in the Netherlands and had been sitting on their shelves for many years (which is why the brackets and clamps are missing I guess).

Anyone ever seen this before or have any knowledge of it?
I have worked with Jama pipes in the past. Sometimes they are spot on, sometimes a bit on restrictive side but usually quite loud :)
I know they hold on a bit better than supertrapp, but I did see couple of Jamas destroyed by high pressure.
Usually they sound quite good. And they are very well made for sure.
I think it looks excellent on DR, no?
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Old 03-20-2012, 05:11 AM   #12573
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I would use hole saw on the end cap, and throw the other bit with all the holes away . looks good Ray .
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Old 03-20-2012, 05:14 AM   #12574
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We went for a ride out to a village called Burraga a old copper town.
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Old 03-20-2012, 05:17 AM   #12575
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Doc rode his 1400 I think it was, about 10 years old and only 14k on the clock, a relly nice bike too.
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Old 03-20-2012, 05:20 AM   #12576
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We rode through another joint called Rockly,
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Old 03-20-2012, 05:22 AM   #12577
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There was a nice park,
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Old 03-20-2012, 05:24 AM   #12578
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And a BIG close by,
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Old 03-20-2012, 07:56 AM   #12579
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Nice, and not a flood water in site

PS, your bike looks very shiny but watch the silicon on the tires
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Old 03-20-2012, 10:10 AM   #12580
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Quote:
I would use hole saw on the end cap, and throw the other bit with all the holes away
Good Grief !

I think that would bring out the "pitchfork and torch brigade" in the neighborhood.

You must live with very motorcycle friendly people, Rob.
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Old 03-20-2012, 11:01 AM   #12581
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In my opinion sound should be cool but not too loud.
I always get complimented on sound of my DR and VTR...except for those who get's to ride right behind my DR. They say pressure wave from exhaust can be felt as real infrasound and makes in uncomfortable to stay behind my bike in line.
Of course comparing to VTR even my "bass" DR with ex-Benelli can sounds just OK while VTR(Firestorm/Superhawk) is incredibly nice sound. Thanks to Arrows and V90 arrangement.
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Old 03-20-2012, 03:53 PM   #12582
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Hello everybody,
thanks Ray, so it's my turn to scan my spam-folder ... sorry! I'm going to do so right after finishing these lines. And thank you very much!
Lars, as my workshop in the barn isn't ready I still have to spanner under the roof that connects house and stable. This space is open on one side and because it's been so freaking cold I'm a little late now. There's also a set of twin-head-lights lying here that has to be test-mounted still ... Time to get busy!
Rob, I also have a question to you: Some time ago you showed very nice pics of your Super Moto Big. As there's a discussion in our German forum concerning building specials like this I'd like to show one or two of your snaps because I think, you've built a very nice example. Do you remember the page were I have to look for them?
Kind regards and good night to all of you, Bambi
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Old 03-20-2012, 05:02 PM   #12583
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Thumb

Quote:
Originally Posted by spen View Post
Yep he got one from me i had two spares ,hopefully this will sort his problem
Arrived today It astounds me how quickly things can get from one side of the world to the other sometimes

thanks Spen I owe you

Unfortunately I won't be using it for a while. I had a wee spill on the weekend which resulted in a helicopter ride to hospital and a couple of days of hospital food The end result is a fractured hip, sore ribs and shoulders and a 6-8 week break from work/riding
C'est la vie
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Old 03-20-2012, 11:15 PM   #12584
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Update

Still some details to sort.

Hated the Gold. Trying flat black. I think semi-gloss will look best. The photo makes it look very very flat almost grey.



Applied a large diameter worm-gear hose clamp to one row of holes. This effectively blocks one row. The bike is tolerable now but still louder than standard. I think I can live with this.

A test ride showed no difference in top end between having one row of holes sealed and the end totally open.

This likely means that I should be increasing main jet sizes.

The other major problem is that I have 200 mm of clearance between the top of the rear caliper and the can. This is a problem because the Wilbers gives me 230 mm of rear wheel travel.

No serious off-roading until this is sorted.

Still waiting for the GPR exhaust that will (hopefully) solve all these problems.
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Old 03-21-2012, 12:39 AM   #12585
robmoto
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Ray you should be able to get some VHT flat header exaust paint , its made over there, spray it on and after it has dried rub it all over with your hand and it will then turn to a low sheen, then follow the instructions on the can about curing times with heat by starting the motor for a short while at idle etc.
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