Coolant hose warning

sickpup · Old Timer Joined: 21 Apr 2004 Karma :

Just had to replace one of the coolant hoses on the ER6 after it split and looks like I need to do the other one.
Looking at the inside of the split one you can see just how much it is perished. Keep in mind this bike is only 7 years old and there are many bikes with more years on them on original pipework so check your hoses before the upcoming season starts Wink

https://i945.photobucket.com/albums/ad297/750RK/Odds%20and%20ends/20150314_192437.jpg

Pete. · Super Spammer Joined: 22 Aug 2006 Karma :

Not having a lot of luck with rubber stuff are you mate?

Might want to check your gimp suit/gas mask in case it's splitting at the seams Very Happy

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a.k.a 'Geri'

132.9mph off and walked away. Gear is good, gear is good, gear is very very good Very Happy

sickpup · Old Timer Joined: 21 Apr 2004 Karma :

Pete. · Super Spammer Joined: 22 Aug 2006 Karma :

Yeah most people don't realise that fuel lines have a service life either.
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a.k.a 'Geri'

132.9mph off and walked away. Gear is good, gear is good, gear is very very good Very Happy

sickpup · Old Timer Joined: 21 Apr 2004 Karma :

Andy_Pagin · World Chat Champion Joined: 08 Nov 2010 Karma :

Is this a particular problem with bikes, or modern vehicles in general? Some of the hoses on my Landrover are 47 years old.
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RhynoCZ · Super Spammer Joined: 09 Mar 2012 Karma :

sickpup · Old Timer Joined: 21 Apr 2004 Karma :

Rogerborg · nimbA Joined: 26 Oct 2010 Karma :

My GPZ500 was 9 years old when I got it. The coolant hoses crackled when squeezed gently.

Well, I'm sure the next owner replaced them. Whistle

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barrkel · World Chat Champion Joined: 30 Jul 2012 Karma :

That the link pipe from radiator to water pump? My GF's 57 ER6 is just about OK, but not looking great. I dismantled the pump over the weekend owing to oil coming out the weep hole with the engine running, currently awaiting replacement seals. Not that uncommon on the ER6 either.

Are you replacing with oem original part, or cut length from somewhere else?
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sickpup · Old Timer Joined: 21 Apr 2004 Karma :

Ed Case · World Chat Champion Joined: 01 Mar 2009 Karma :

Read this post...interesting.....I normally buy any bits I need from Cradley but I've been checking the ads for silicon hoses and the prices seem more-or-less comparable.......anyone have any opinions or experiences with these things ?.

prawny1 · World Chat Champion Joined: 28 Jun 2005 Karma :

Road salt and cold temps don't help when it comes to rubber parts.

I find more failures from contamination than actual perishing though, like from head gasket failure softening the hoses (more often egr cooler leaking on cars) or running with no anti freeze making the inside brittle and leading to a build up of corrosion on the pipe joints.

It is strange that the hoses are recommended for changing every three years when modern antifreeze lasts 5 years+.

Have you pressure tested/ gas sniffed the system to make sure you don't have a headgasket issue?
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lozzypop1 · Certified MILF! Joined: 04 Jan 2006 Karma :

stinkwheel · Bovine Proctologist Joined: 12 Jul 2004 Karma :

Given the advances in modern materials and the relatively short length of hose on a motorcycle. Why someone would replace a perished rubber radiator (or fuel) hose with another rubber radiator hose is entirely beyond me.

One word: Silicone.
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Ed Case · World Chat Champion Joined: 01 Mar 2009 Karma :

stinkwheel · Bovine Proctologist Joined: 12 Jul 2004 Karma :

skatefreak · World Chat Champion Joined: 06 Feb 2010 Karma :

Pipes on my 1995 CBR600 f3 look origional..
Was thinking of replacing them but it almost seems as if manufacturers realised 'Make parts last 25 minutes instead of forever = profit".

Pretty cynical but everything is going that way...

New cars being the worst.

My 2005 307 has given me a shed load more trouble than the 1998 306... go figure...

-Jvr

.Chris. · World Chat Champion Joined: 09 Jun 2007 Karma :

A few years ago I had a pretty scary hose failure on my Morris Minor. The fuel hose connecting the fuel pump on the bulkhead to the carburettor started leaking at the midpoint, dripping fuel onto the top of the exhaust pipe while the engine was running Shocked

. It'd been happening for some time as I'd noticed an increase in fuel consumption, but couldn't work out why until one day I stopped the car and smelt fuel. Because the hose had a braided covering, I couldn't see the degradation in the rubber hose underneath until it started leaking.
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