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Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, T100, Speedmaster, America, Thruxton, and Scrambler.

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Old 11-08-2012, 04:47 PM   #11 (permalink)
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I'm interested hear how you like the new pipes as well. Seriously considering them for my '07.
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Old 11-09-2012, 11:55 AM   #12 (permalink)
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Short version

My mohave is on now. I took a bunch of pics and will post this weekend with a writeup.

Short version:
- Excellent build quality.
- Significantly lighter.
- This is still leg contact while sitting and the heat shielding is primitive. So shorts are out
- It's loud. The two stage baffles are tiny and work like snuff-or-nots.
Of course I'm coming from a stock exhaust, but even at idle it's loud to me.
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Old 11-09-2012, 05:31 PM   #13 (permalink)
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Great, looking forward to the writeup and pics!
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Old 11-09-2012, 06:17 PM   #14 (permalink)
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After looking at the site that exhaust looks pretty nice, but I saw nothing about pricing. Can we ask what you paid?
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Old 11-10-2012, 07:54 AM   #15 (permalink)
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Quote:
Originally Posted by phire View Post
After looking at the site that exhaust looks pretty nice, but I saw nothing about pricing. Can we ask what you paid?
Quote:
Originally Posted by Eldonpedro View Post
Great, looking forward to the writeup and pics!
Put me in line also. Would really be nice to see if I would have to sell a vital organ or give up beer. You can live with one kidney. Thanks for sharing Checkers........
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Old 11-11-2012, 10:14 AM   #16 (permalink)
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Pictures and opinions

Ok as promised my mini review and pics of my Mass Moto Mohaves. Go easy on me I'm not Forchetto.

As far as I'm concerned a high pipe system is the only way to go for a Scrambler. That said the options were pretty limited. Arrow 2-1, Zard 2-1, British Customs 2-2 mini cones.

Then after seeing pics and vids of the Mass Moto Mohave high exhaust system, I decided I really needed a set for my 07 Scrambler. Love the dual pipe/desert sled look.

I considered the McQueens as well, but since they had even less heat shielding I opted for the Mohaves.

Since I've never seen any Mohaves in the flesh, I was concerned about 3 areas. Build quality, leg clearance and noise.

I contacted Mass Moto directly and dealt with Giancarlo. The whole ordering experience was painless and I received this 7 working days after I made my payment (850 euros shipped). In addition to the exhaust, Mass Moto also sent me a couple of brochures, fist full of stickers and a cool Mass Moto T-shirt. (Unfortunately skin tight on me, LOL)

At first glance the whole system seems very minimal with few separate parts. However as a designer I appreciate how difficult it is to make things simple. This whole system was elegant and well thought out, install was easy.



There is a crossover tube to balance exhaust pressure. This closeup shows the beautiful welds and the spring connector loops.


Exhaust hanger bracket and mounting lug for heat shield.


Each system has it's own serial number.


Headers wrap tightly around the cylinders.


Header install is very straightforward. The only niggle is that one of the exhaust m8 nuts is not accessible to a torque wrench. I tightened it by feel. Other three nuts are correctly torqued. Remember to order up the Triumph copper gaskets and replace the M8 nuts if corroded.


Nice and tight. No leg clearance issues with the headers. However there is still leg contact with the front heat shield.


Parts kit. Shock hanger space, assorted nuts and bolts and the spring retainers for the pipes. The retainers are covered in heat resistant covers.


Two stage baffle system. The fist baffle is midway in the pipe and not removable.
This might be an issue if you want to ceramic coat.


Second baffle is is at the end of the exhaust pipe and removable. It is tiny. Here it is next to a stock muffler.

Last edited by Checkers; 11-11-2012 at 10:10 PM.
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Old 11-11-2012, 10:28 AM   #17 (permalink)
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Pictures and opinions cont.

The baffles restrict a lot of the exhaust flow, remind a lot of snuff or nots. Probably not optimal for high performance setups.


Fully mounted. Very easy install. 1 hour to do. Hardest part was pulling the stock system.


So to address my three concerns.

1. Build quality? Excellent. I did need to smooth out some rough edges on the heat shields. Couple of minutes with a 3M pad and done.

2. Leg clearance? Better than stock but there is still contact with the front heat shield and your inner thigh. The heat shielding is pretty minimal so I'm going to have to evaluate this.

3. Noise? Let just say that when folks said it was reasonable, they must run open pipe harleys. It's loud. Even at idle. Goes to show how worthless those YouTube videos are when trying to evaluate sound. And I have not even pulled the stock airbox and filter yet. With additional intake noise it should get "interesting".

It does look pretty cool though. Hope this helps.

Last edited by Checkers; 11-11-2012 at 03:45 PM.
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Old 11-11-2012, 05:06 PM   #18 (permalink)
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Love the look. Anyone know what map you would use for these on an EFI?
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Old 11-12-2012, 07:27 AM   #19 (permalink)
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Beautiful. Thanks for the details!
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Old 11-12-2012, 12:41 PM   #20 (permalink)
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Great write up and photos of the process.

Thanks Checkers!
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