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Post by jamescell on Aug 1, 2009 11:35:03 GMT -5
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Post by sloopjonboswell on Aug 16, 2009 2:45:59 GMT -5
anybody else with problems welding the crappy stock header metal to a real piece of pipe?  |
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Post by jamescell on Aug 16, 2009 8:15:01 GMT -5
What are you trying to weld it with?
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Post by vin150 on Sept 24, 2009 15:09:29 GMT -5
I have done this mod but wonder if there is a way to decrease the volume a bit...would the tip help? Maybe some fiberglass packing? Also instead of mounting a bracket I bolted and jb welded some eye hooks to the top of the muffler and the frame above and connected them with a spring. The theory is that the spring absorbs some of the vibrations and movement of the unbraced exhaust.
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Post by ancorder on Sept 27, 2009 20:35:02 GMT -5
With this mod is there any need for rejetting? One of my scoots has a muffler with loose/rattling baffles and I'm thinking of hacking it off and putting one of these mower mufflers on. I've done no other performance mods to the scoot. It's a TNG Milano 150. I don't know if I'm up for rejetting or anything right now because it's getting close to the end of the scooting season here and I don't have a ton of free time to tinker (other than putting on the new muffler, of course). Has anyone done this type of muffler change-out on an otherwise stock scoot?
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Post by jetskiracer on Oct 5, 2009 15:36:54 GMT -5
I hit my local harley shop and ask if they had any stock pipes they would sell me and they had a pile out back and they gave me a real nice screamin eagle stock pipe and it sounds sweat.The best part was it was FREE.I tryed the briggs muffler and it still sounded like a lawn mower.
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Post by glenargo15018 on Apr 21, 2010 22:00:28 GMT -5
Was there any problems on decelaration backfires?
Put one together on mine and works great bt gets backfires whn decelarating.
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Post by eastep on Apr 22, 2010 9:58:07 GMT -5
wow, I'm really shocked this is a 'normal' thing now. I was using the B&S mufflers in the early '00 s, just effing around to see how it'd sound. Too bad I wasnt on a forum then or I could have gotten some street cred  LOL Ive got a video I'll post of my 50 with one installed..its sooo loud |
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Post by ancorder on Aug 23, 2010 11:38:50 GMT -5
glenargo- Did you ever figure out your deceleration backfire issue? Or anyone else who's done this? I'm having a somewhat related problem on another thread, where changing to a b&s muffler happened along the course of another issue. scootdawg.proboards.com/index.cgi?action=display&board=talk&thread=32233&page=1So if anyone's dealt with and solved a backfiring issue after changing to the lawnmower muffler, I'd love to know about it. |
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Post by Jake aka: Ventoscoot on Aug 23, 2010 22:27:43 GMT -5
I've been runnign this mod for about 3 months now, and it works great. I drill out the plate inside for more flow and it works/sounds great, no decel/backfire problems.
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Post by Eat Sleep Scooters on Aug 28, 2010 21:07:36 GMT -5
I just did this mod to my Roketa MC-109-50. It actually sounds frickin shweet with it on. I have the same coupling and everything and I took it off to see what it sounded like and I got .2 miles down the road and acquired a migraine. IT WAS LOUD!!! This muffler is not annoyingly loud but decently audible. I am using the stock jet and I dont have a lean issue. I need to add on a better air filter because it is actually running rich still. I do not have a back firing issue but I want to get rid of that little device thats attached to the pipe and that may cause a back fire. It would be even sicker to sound the muffler right by the engine for that Ninja 650R/ER-6/Versys type look.
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Post by D-cat on Oct 4, 2010 13:52:09 GMT -5
Out of circumstances of my making I ended up doing this too. Just for effect, I also added a lighted exhaust tip ($10 at Mardens). It sounds rich (if not a bit too loud), looks good, though not as professional as you guys with fabricating equipment, and the tip keeps the muffler area cool to the touch. I'll see if I can get pics later.
I did have some backfiring issues. I temporarily unplugged the autochoke and am awaiting a jet set. Now I just have the backfire on decel issue. Other bike boards suggest this is the result of air leak from the exhaust pipe prior to the muffler (bad manifold gasket?).
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Post by D-cat on Oct 11, 2010 11:41:43 GMT -5
Mock-up  Installed  Night View  If anyone is interested, I hooked up the lighting by tapping the autochoke lead. It's LED lighting, so only half the wave is used. I don't predict any major problems with this, even after I'm rejetted and the auto-choke is plugged back in. Wide View  Yeah, it needs a bath.  |
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Post by urdone on Oct 13, 2010 2:19:06 GMT -5
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Post by D-cat on Oct 13, 2010 11:48:48 GMT -5
That's the right muffler. I don't know what jet yet, I have to wait for a new manifold to come in (if it's not one thing, it's another, right?).
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Edit: I landed on an 86 main jet. I'm still using a stock airbox w/ thin filter.
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Post by urdone on Oct 13, 2010 14:16:23 GMT -5
wow $5 is WAY better than $150 or higher!!
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Post by shadowwalker on Oct 17, 2010 21:19:31 GMT -5
I just built three of these for for mytwo 50s as well as my friends 50 and I spent $8 per bike. Far better than 150 or more any day. My neighbors know when I'm coming home now.
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Post by sportsman matt on Nov 28, 2010 11:55:02 GMT -5
Anyone got a good video of these working?
Tried the video link from jonathan150cc,but it cuts out 5 seconds into playing and resets.
Wanted to know how it would sound on a 50cc 4 stroke, 'cause I need something quieter than the strait pipes but don't like the huge 4" cannister muffler they installed on the scooter.
Thanks
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LOL Ive got a video I'll post of my 50 with one installed..its sooo loud
