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Post by scooterbooter on Mar 26, 2023 9:59:53 GMT
So now my super duper exhaust is broken (elloi elloi lema sarabatchi!) So I put my cat exhaust on, didn't fasten it too good and it promptly set my scoot on fire , oh dear, the breather bit gets very hot. Oh my, Very hot. Take2. Cleaned off mess removed the breater appendage. Bent closed the breather pipe. And hey presto I got a lame exhaust that works. Hooray. Now I'm thinking of punching out the honey comb. Will I lose too much back pressure ? Does anyone know? Does anyone care? Well I do .I got some miles to do over the next few days but I'm sure by then it will have drove me crazy and I'll be pulling it out the next chance I get. Any opinions welcome anyone else who's done this would be super.
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Post by gpowell on Mar 26, 2023 10:07:50 GMT
It appears to me you are flogging a dead horse, faffing around with cat.
Either replace like for like or get rid of the of the cat sytem entirely.
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Post by scooterbooter on Mar 26, 2023 10:56:47 GMT
El skinto. Hopefully getting a replacement so I need something for now. But yes you got a point. However It works so it'll do. But it's lame. But things are a bit tight So it's mend and make do. Just wondered if that honeycomb thing replaced that exhaust baffle inside? But it's lame. Oh yes.
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Post by gpowell on Mar 26, 2023 18:06:36 GMT
Ive got a useable px125 standard not cat you have for free collection in north east or i can post at cost
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Post by scooterbooter on Mar 26, 2023 18:52:58 GMT
Wow thanks that's really kind of you. I really appreciate it. If you can post I'd love that thanks.
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Post by gpowell on Mar 27, 2023 18:36:16 GMT
Im working away, back Thursday, will see what its like, been in garage for a few years, might be worse than i thought.
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Post by scooterbooter on Mar 28, 2023 9:04:02 GMT
Good on ya.
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Post by soulboy74 on Mar 29, 2023 11:27:05 GMT
Just a thought as l am still using the box part of a cat exhaust system and you can get a replacement part instead of a cat !! There's a few nowadays to choose from giannili down pipe l have been using ! As the system box is a very well made original big box exhaust system with a expansion in pipe piece it's only the cat part that is crappy !! Give it a go and you will be quite happy to go !! Best foot forward soulboy74 🏴👍
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Post by scooterbooter on Mar 29, 2023 20:36:40 GMT
Thanks soul boy that's the answer I was looking for. I will probably try clear that section rather than buying but that's super. Thanks everyone for the answers.
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Post by soulboy74 on Mar 30, 2023 9:20:17 GMT
Nice one just a thought if you're exhausted is the one piece type! not to sure how you would go about getting them honeycomb out properly ! But Hay mate what l would try is baking soda to burn it out and then pull the rest out with long nose pliers peace by peace!! But Hay if it's the two peace ☮️ one just change the down pipe piece with a racing manifold down pipe and connect it to the box * and off you Go!! It's the scooter crazy method !! Ron Daly!; Method !! Best foot forward soulboy74 🏴👍
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Post by scooterbooter on Mar 30, 2023 20:29:33 GMT
So I did it today, just smashed it up with hammer and cold chisel and tipped out the mess. Yeah my exhaust is the split one but I've left that . Runs smoothly without the honeycomb very sluggish but worth doing. Going to have a nose at one of those manifolds but doubt I'll buy major skint! But for now ,hey its working! Super.
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Post by soulboy74 on Mar 31, 2023 6:57:13 GMT
WOW that sounds great 👍 just remembered to down size main jet back to standard one as these exhaust system run on a smaller jet !! If any changes needed it's too the air correction jets 120/130 should have you up and running well!! Give a new coat of paint and should last for year's too ,as for the down pipe £30 ish new or look for a second hand options on eBay !!! Best foot forward smash it love it 👍 soulboy74 🏴☮️
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Post by soulboy74 on Mar 31, 2023 8:47:46 GMT
Hi there booter l will keep a eye out for one and let you know!! Best regards soulboy74 ✊
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Post by scooterbooter on Mar 31, 2023 10:36:32 GMT
Sorry to nit pick but it's 140a/c standard from there a 130a/c is richer and a 120a/c is even richer still. Sorry if I'm nit pickin but it helps to keep things straight so people like me don't get mixed up.
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Post by soulboy74 on Mar 31, 2023 13:54:04 GMT
Okay yes mine was running lean after doing the air filter drilling modifications and up the jets main one to 98 so I reduce down to!97 and put a 120 air correction jet in and l running rich again ! Sill doing run out to make sure it's okay but it seems to have help ! My PX Vespa is the Euro 3 type and is a bit tricky to get right can't seem to get a good result in up the main jet ! Best regards soulboy74 🏴
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Post by scooterbooter on Apr 2, 2023 12:10:47 GMT
I'm with you big guy personally I'd just keep going up mj sizes as the a/c make such a difference I find going up in the mj give one a better picture in ones in ones head as to what may be happening in the business end. But I like your style you do whatever works for you. Ride on.
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Post by soulboy74 on Apr 2, 2023 18:29:48 GMT
Yeah I really just learned how these vespa carbs work !! I have had a bit of experience but Hay it was a while back on the lambretter carbs and was a very different looking one 30m AML type they was tricky bugger as well!! Just can't help trying out different set up as l don't want a ornament sitting in the corner LOL just done a side panel with Bullet proof PX Vespa 125e with bullet holes in it crazy days peace ✌️ soulboy74 🏴☮️
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