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Yellow Scooter



Joined: 20 Mar 2007
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Location: North Carolina USA

PostPosted: Wed Jul 08, 2009 12:58 pm    Post subject: Reply with quote

My next scoot will have an MRP exhaust as well as one of those air filter cones. One, it's hi-flow and gives the scooter attitude. Two, it's stainless steel hence no rusting. The filter cone is reusable and saves money and time hunting up the box filter. It'll be installed by the dealer so the carb will be jetted accordingly. Wink



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Timelord



Joined: 18 Aug 2009
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Location: Exmouth Devon United Kingdom..

PostPosted: Tue Aug 18, 2009 11:38 am    Post subject: Reply with quote

Great stuff I will invest in a tin of this as I've just had my down pipe renewed and need to protect it. The original one rusted and was the probable cause of it weakening and eventually breaking on one of those fecking pot holes that the council say they are gonna fix Laughing


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schedboy



Joined: 18 Aug 2010
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Location: Kent, UK

PostPosted: Mon Aug 23, 2010 10:25 am    Post subject: Reply with quote

Cool thread.

The exhaust on my DB125t-6 is looking rusty - the previous owner didn't have it garaged - it's in one now, so I'll be getting a tin of this, rubbing down the pipe and painting it ahead of the winter weather.

:D


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schedboy



Joined: 18 Aug 2010
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Location: Kent, UK

PostPosted: Fri Sep 03, 2010 1:46 pm    Post subject: Reply with quote

OK, I'm going to tackle this job over the weekend.

I'm hoping to take the whole exhaust off to make preparation and painting easier - are there pit falls to removing the exhaust that I should be aware off?

Thanks.



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mightbesane



Joined: 05 Sep 2008
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Location: Pennsylvania, USA/Languedoc, France

PostPosted: Fri Sep 03, 2010 1:55 pm    Post subject: Reply with quote

If you haven't had the exhaust off before, I'd soak the nuts with some form of loosening agent. Just be careful with the disassembly and reassembly - threads tend to strip and bolts tend to snap.



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schedboy



Joined: 18 Aug 2010
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Location: Kent, UK

PostPosted: Fri Sep 03, 2010 2:05 pm    Post subject: Reply with quote

Cheers MBS.

I'll give the nuts a blast with WD40 tonight and be careful/pray that that everything will unbolt and re-bolt without shearing.

I'm putting in a new plug this weekend too - busy, busy.

Smile



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DaveS



Joined: 14 Jun 2008
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Location: Bavaria, Germany

PostPosted: Fri Sep 03, 2010 2:31 pm    Post subject: Reply with quote

FWIW, I use copper anti-seize paste on the exhaust head bolts AND the spark plug to keep them from seizing up so the job goes easier the next time. IF you use anti-seize on the spark plug be sure to get it only on the threads and not on the electrode tip.


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schedboy



Joined: 18 Aug 2010
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Location: Kent, UK

PostPosted: Sun Sep 05, 2010 8:59 am    Post subject: Reply with quote

Sweeeeet. Job done - it looks so much better! Cool

Fingers crossed it should last a long time now.


A hint for anyone tackling this in the future:

When you put the exhaust back on, do the nuts at the engine up very loosely to start with to give you enough play on the exhaust to maneuver the side fixing bolts into position. The bolt holes on the side of my exhaust were hopelessly out of position with the side mounting holes when I fully tightened up the nuts at the engine first.

Smile



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BigCheeseStick



Joined: 20 Aug 2011
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Location: Myrtle Beach

PostPosted: Tue Aug 30, 2011 2:37 pm    Post subject: Reply with quote

Drill a VERY small pin hole at the low point on your muffler. Most all original equipment car mufflers have them. Allows the condensation to drip out and a little dry air to get in. The BBQ paint works pretty well in my experience. Lasts about 2 months around here, but we've got "sea air" to deal with. Also, car parts stores sell high temp exhaust spray paint rated to well over 1,000 degrees... I've used it on car headers before with great success.


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REX RS450



Joined: 23 Apr 2012
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Location: Germany

PostPosted: Mon Apr 23, 2012 6:28 pm    Post subject: Reply with quote

Stanislavs1 wrote:
On Quingqi moped's, they already sell the scooter with protection.
I got QM50QT-6 .. no matter how much heat or rain, no rust. Had it since spring 2005. Wink


Yup, same here on a 2006 REX RS450 (Qingqi QM50QT-6A) Cool



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davethesinger



Joined: 24 Apr 2012
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PostPosted: Fri Nov 16, 2012 2:58 pm    Post subject: Reply with quote

I’ve had a lot of bikes with these black exhausts over the last 30 years, from Jap trail bikes to Chinese scoots. They all suffer the same fate eventually.
No need to buy the expensive rust preventative stuff from the dealers.
Spray the entire exhaust with WD40 (or cheaper “own brand” alternative) every couple of days. You can also use this method to protect crank cases, stands, frame and wheel rims by spraying and then quickly wiping off any runs. Make sure you put a squib on your bolts and screws too to stop them rusting.



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REX RS450



Joined: 23 Apr 2012
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Location: Germany

PostPosted: Fri Nov 16, 2012 4:16 pm    Post subject: Reply with quote

davethesinger wrote:
I’ve had a lot of bikes with these black exhausts over the last 30 years, from Jap trail bikes to Chinese scoots. They all suffer the same fate eventually.
No need to buy the expensive rust preventative stuff from the dealers.
Spray the entire exhaust with WD40 (or cheaper “own brand” alternative) every couple of days. You can also use this method to protect crank cases, stands, frame and wheel rims by spraying and then quickly wiping off any runs. Make sure you put a squib on your bolts and screws too to stop them rusting.


Don't such oil-based products smell bad when heated by exhaust? Embarassed



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davethesinger



Joined: 24 Apr 2012
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PostPosted: Fri Nov 16, 2012 5:56 pm    Post subject: Reply with quote

You do get a slight smell but nothing too bad!



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texas



Joined: 20 Jul 2011
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PostPosted: Mon Jan 21, 2013 1:40 pm    Post subject: Reply with quote

When I change my oil I always wipe every thing down with a litte of the left over oil. Shocks, chrome exhaust cover, bolts,and pipe over a year old now and its kept the rust way down, plus I live by the ocean. Very Happy


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