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Scooters - 125 to 300
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Xciting 250
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Exh manifold broke, AGAIN!!!
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Topic: Exh manifold broke, AGAIN!!! (Read 1669 times)
leo.portner
Jr. Member
Posts: 58
Exh manifold broke, AGAIN!!!
«
on:
May 20, 2015, 07:37:44 PM »
Was doing 80mph on the freeway when a loud bang and then brrrrrrrrraaaaaapppp
Already know that sound so i stop at the side of the road pick up the broken peace that is dragging on the road and keep going until i make it home...
Had to get a new manifold from the wreck yard
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BettinANDlosing
Hero Member
Posts: 2235
Carter Merz
Re: Exh manifold broke, AGAIN!!!
«
Reply #1 on:
May 20, 2015, 08:49:35 PM »
Double check the torque on the three hanger bolts, if these are loose you will keep breaking exhausts. Warm the bike up and check the tightness, use blue loctite.
Logged
2002 Kymco B&W 300; MRP 78MM "300CC", Naraku cam, Yoshimura rS3 exhaust, 17g Sliders, Yellow torque spring drilled airbox, stock carb #115 main #40 pj.
2001 "Yamaha" Zuma AKA MBK Booster; MHR OverRange, Dellorto 19mm BHBG, Polini "big" intake, RS-3 Rear shock, Stock cylinder.
leo.portner
Jr. Member
Posts: 58
Re: Exh manifold broke, AGAIN!!!
«
Reply #2 on:
May 22, 2015, 06:10:56 PM »
Wtf is a tree hanger??
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BettinANDlosing
Hero Member
Posts: 2235
Carter Merz
Re: Exh manifold broke, AGAIN!!!
«
Reply #3 on:
May 22, 2015, 06:26:56 PM »
Quote from: leo.portner on May 22, 2015, 06:10:56 PM
Wtf is a tree hanger??
No, THREE LOL. The bolts that hold the muffler to the swingarm are called "hanger bolts" make sure they are torqued to spec because if they are loose you will keep breaking manifolds.
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2002 Kymco B&W 300; MRP 78MM "300CC", Naraku cam, Yoshimura rS3 exhaust, 17g Sliders, Yellow torque spring drilled airbox, stock carb #115 main #40 pj.
2001 "Yamaha" Zuma AKA MBK Booster; MHR OverRange, Dellorto 19mm BHBG, Polini "big" intake, RS-3 Rear shock, Stock cylinder.
leo.portner
Jr. Member
Posts: 58
Re: Exh manifold broke, AGAIN!!!
«
Reply #4 on:
May 22, 2015, 06:52:10 PM »
LOL
any chance you have the torque specs
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BettinANDlosing
Hero Member
Posts: 2235
Carter Merz
Re: Exh manifold broke, AGAIN!!!
«
Reply #5 on:
May 22, 2015, 06:54:57 PM »
Quote from: leo.portner on May 22, 2015, 06:52:10 PM
LOL
any chance you have the torque specs
My torque spec: Impact gun set on high for a couple bursts
With blue loctite
Logged
2002 Kymco B&W 300; MRP 78MM "300CC", Naraku cam, Yoshimura rS3 exhaust, 17g Sliders, Yellow torque spring drilled airbox, stock carb #115 main #40 pj.
2001 "Yamaha" Zuma AKA MBK Booster; MHR OverRange, Dellorto 19mm BHBG, Polini "big" intake, RS-3 Rear shock, Stock cylinder.
leo.portner
Jr. Member
Posts: 58
Re: Exh manifold broke, AGAIN!!!
«
Reply #6 on:
May 22, 2015, 07:00:20 PM »
Ok so i will check the tree hanger bolts
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