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Itileman
Posted on Thursday, May 06, 2010 - 12:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Given some of the riding I'll be doing this year, a spark arrestor will be required.
Search showed nothing. Has anybody addressed this issue?
I've seen some and will check out the possibilities of modifying a stock one off another brand. Also have to wonder about the effect on performance due to exhaust flow resistance.
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Badrap
Posted on Thursday, May 06, 2010 - 02:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Most of the ones I've seen for off road vehicles are made of screen shaped into a cone and slipped and secured into the exhaust tip. You may be able to fabricate one for the exhaust you have.
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Hughlysses
Posted on Thursday, May 06, 2010 - 02:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I've seen varying opinions for whether one is required or not for a licensed street vehicle. Might not hurt to check with your local ranger before you invest a lot of effort and/or money.
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Badrap
Posted on Thursday, May 06, 2010 - 02:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I feel you should have a spark arrestor installed while off road unless it's on a closed course or in the dunes where nothing grows. It would suck to start a wild fire.
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Growl
Posted on Thursday, May 06, 2010 - 02:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I too, need a spark arrestor... a lot of people say that the stock muffler should be fine, but it's not going to cut it with a California Ranger... it needs to be a spark arrestor that is on the approved list and it needs to be identifiable from the outside. Simply clamping a supertrapp to the outlet would qualify except that the stock outlet on my Ulysses muffler is curved. Here's a couple of interesting links:

http://www.badweatherbikers.com/buell/messages/142 838/513718.html#POST1649597

http://www.badweatherbikers.com/buell/messages/142 838/291524.html#POST930158
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Itileman
Posted on Thursday, May 06, 2010 - 03:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

The second link looks like the ticket. Just returned from the local Yammy shop where off-road is king. The muffler or the arrestor attached must be certified USFS Approved. The Uly muffler probably meets specifications, but if not officially approved, it's no go. Here, all Forest Service roads require one.
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Etennuly
Posted on Thursday, May 06, 2010 - 04:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

These spark arresters are a good idea for sure. I started a fire with my first XL 250 with a Hooker header burning it's fresh stainless packing out. It happened back in the mid 70's.

A buddy and I dropped into a sharp "V" shaped valley while following a pipe line clearing, I made it up the steep bare shale rock face to the rounded mountain top where vegetation grew. My buddy came flying up on his old 400 husky and went over backwards sliding feet first up hill, funny as hell, but not the subject of this story. As he was lying there in the sun drenched grass, trying to breathe, he asked me if that was a fire over by my bike. I first thought he was delirious from his wreck.

Sure enough the dry leaves and grass were flaming up about twenty feet from my Honda and no where near where he and his bike landed. Being covered with wet mud from head to toe, I had no problem stomping the fire out. It had only burned a patch about 2 feet by 10 feet.....damn good thing he wrecked that over powered-uncontrollable-worn out beast of a machine! His throttle had stuck wfo!

I took that new packing out before riding anymore. Back in those days nobody made a fuss about spark arrestors. That was way out in the mountains where if the fire were to take off there was little or no access for fire equipment, it could have been bad if not for our good-bad luck.

If we had ridden home from there without knowing of, or stopping that fire, we would not have had any idea that our passing through would have caused it.
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Mikef5000
Posted on Thursday, May 06, 2010 - 08:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I too, need a spark arrestor... a lot of people say that the stock muffler should be fine, but it's not going to cut it with a California Ranger...

I too wanted one, and did fairly extensive research. Here's the problem. You're muffler must be stamped with the spark arrestor information. What that means is, those add on spark arrestors may be effective, but they are NOT legal. After all my searching, my conclusion was that there is no legal spark arrestor solution for the Ulysses. Would having a home-made or aftermarket one stuck in the end be effective? Probably. Would it satisfy a ranger? Possibly.
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Itileman
Posted on Thursday, May 06, 2010 - 09:46 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

There are approved add-on spark arrestors available. The big problem that I see, other than fitment, is that they're for 650cc and down. 1200 is another issue. Wonder what's on the GSA 1200???
None on the F800GS - go figure.
http://www.cyclebuy.com/shopping/promoto/spark_arr estors.htm

(Message edited by itileman on May 06, 2010)
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Union_man
Posted on Thursday, May 06, 2010 - 10:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Here's the problem. You're muffler must be stamped with the spark arrestor information.

This MAY be true where you live. Where I live the pipe OR the arrestor must be USFS approved and stamped appropriately.

I used one of these on my last dirt bike...totally legal.
http://www.cyclebuy.com/shopp ing/promoto/sa_yam.htm#YAMAHA_Motorcycles

(Message edited by union_man on May 06, 2010)
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Itileman
Posted on Thursday, May 06, 2010 - 10:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

May have some answers to this problem soon.
Stay tuned.
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Mikef5000
Posted on Thursday, May 06, 2010 - 11:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Unionman, your link doesn't work.

Itileman.... I'm not a patient person, but you have my interest!
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Itileman
Posted on Friday, May 07, 2010 - 12:37 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

The Sparky may be modified to work,

http://www.denniskirk.com/jsp/product_catalog/Prod uct.jsp?skuId=44775&utm_source=shopping&utm_medium =cse

but I'm working on a better solution. There are also better prices than Dennis Kirk.
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Union_man
Posted on Saturday, May 08, 2010 - 11:29 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Sorry the link from itileman is the same as I used.
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