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Old Nov 10th 2011, 02:02 AM   #1
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Ducati 1199 Superquadro breathing



Ducati 1199 Superquadro breathing

To achieve this, Ducati introduced a secondary air system that completes the oxidisation of unburned hydrocarbons and effectively reduces HC and CO levels.

The system is activated when the engine ECU recognises specific conditions in the engine’s operation via the lambda and throttle opening sensors. It then opens a valve enabling a flow of clean air from the main airbox to a reed valve situated in each cylinder head, which enables one-way flow into an air gallery exiting into the exhaust port close to the exhaust valve. Entering the hottest point of the exhaust gasses, the fresh charge of air enhances the burn environment, eliminating any unburned fuel that escapes during the exhaust cycle under certain conditions.

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Old Jul 23rd 2013, 09:19 AM   #2
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Has anyone tried this yet ?
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Old Jul 23rd 2013, 09:53 AM   #3
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Originally Posted by craigslistbuyermn View Post
Has anyone tried this yet ?
Did you start reading the forum backwards, oldest posts first? You have been busy replying to 2,5 year old threads.
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Old Jul 23rd 2013, 01:41 PM   #4
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Your right. Lol. I hit last by accident.
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Old Jul 23rd 2013, 07:02 PM   #5
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i thot the secondary air is to provide O2 to re-burn residual of formerly rich intake,now out of the exhaust to,HEAT-up catalytic converter to operating temp (start oxidising chemical process) as soon as possible due to cold start of the day pick-up by air/engine temp sensor....

this is motivated more for coping EMMISION ....,right?

Some engine design take the other easier route, implement dual spark to cope with the rich intake,make sure most HC gets burn..in cylinder..better fuel consumption,more bang for the buck on GAS.
some goes to triple spark!!..more spark plugs $$$ to replace on the ownership.

Technology used in Bajaj Pulsar and Copy of Pulsar ? Patents of Bajaj Pulsar » WaysToWorld.com - Materials

same route the 2012 KTMRC8R and 2013 multistrada took...i guess.

Last edited by Titaniumvalves; Jul 23rd 2013 at 07:05 PM.
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