Is this snakeoil?

chris-red · Have you considered a TDM? Joined: 21 Sep 2005 Karma :

https://cgi.ebay.co.uk/15HP-O2-SENSOR-PERFORMANCE-CHIP-TRIUMPH-DAYTONA-600_W0QQitemZ110193419780QQihZ001QQcategoryZ10486QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

????

Seems to have good feedback.
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Chriss · World Chat Champion Joined: 07 May 2005 Karma :

I've no conclusive proof, but as I've seen them advertised for every kind of vehicle, I'm going for bollocks.
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MarJay · But it's British! Joined: 15 Sep 2003 Karma :

MattEMulsion · World Chat Champion Joined: 29 Aug 2004 Karma :

I wouldn't touch it if it was me.
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feef · Energiser Bunny Joined: 11 Feb 2002 Karma :

it's an inline resistor.

can be bought for a couple of pence from Maplin if you know the resitance required.

Makes the bike run a little richer.

as a rule, if you have to ask if it's snake oil, it probably is.

a
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lilredmachine · World Chat Champion Joined: 24 Jan 2005 Karma :

Having said that, it probably will work as most bikes are horribly lean from the factory to hit emissions targets.
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Pete. · Super Spammer Joined: 22 Aug 2006 Karma :

There's no way you are going to get 15hp on anything by modifying the O2 sensor circuit. Most bikes only use the sensor for closed-loop fuelling at low output levels anyway then switch to open-loop for heavy loads.

Think about it - you cannot pick up 15hp by fitting a £300 powercommander an £250 can so if this thing worked then Dynojet would have ceased tradig by now.
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loply · World Chat Champion Joined: 24 Mar 2004 Karma :

It's worth a small improvement in power on certain bikes, in certain conditions.

Not a universal rule by any means though.

15% sounds a tad optimistic, more like 3hp on a typical 600 afaik.
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cagiva gezzer · World Chat Champion Joined: 17 Mar 2003 Karma :

As above, at WOT the lambda sensor is not used, so it won't alter the running.

At part throttle you'll run richer and have bore wash.
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