Question about Harley Davidson Motorcycles

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Xl883r can I take the baffles out of my vince hine slip on without damaging the engine. and will I need a heavy breather air filter.

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  • Harley Davidson Master
  • 1,554 Answers

Removing the baffles will lean out the mixture, so either rejetting the carb, or reprogramming the ECM or a "piggy-back" unit installed will be needed.

Actually, open "straight" pipes are the worse for performance, as some back pressure is needed.

Also, to help performance with a "free flowing" exhaust, a more "free flowing" air cleaner would be needed.

Posted on Oct 14, 2013

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Posted on Jan 02, 2017

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SOURCE: Question about Vance and Hines quiet baffles

about 3-5db but you must remember db is not a linear scale but logirythmic. basicallyy the baffles will remove the harsh rasp off the pipe and make them deep in sound, when cold they will be as loud as normal but once they have some heat in them they quieten down

Posted on Nov 20, 2008

  • 269 Answers

SOURCE: Loud Vance and Hines long shots

Depending on the pipes you purchased, they will be stamped as to whether or not they meet noise requirements. Many if not most aftermarket pipes do not. Sorry.

Posted on Aug 15, 2009

wd4ity
  • 4565 Answers

SOURCE: 2002 hd fat boy 1450 kiryakin air filter vince

What you're hearing is the rocker arm opening the valves. This is normal operating noise.

Your Harley is an older design pushrod operated engine. Unlike most other motorcycles engines, Harley does not use overhead cams in any of their bikes other than the V-Rod. Additionally, there is no sound deadening material inside the rocker box covers. Although the engine is equipped with hydraulic tappets, there is a bit of running clearance in the rocker arms and their shafts they run on.

In short, this is not unusual and your Harley will run for many miles. If you can hear that clicking, it sounds like you need to take the baffles out of that V&H pipe.

To see a diagram of your engine, go to BikeBandit.com. , click on OEM and choose your bike or any Big Twin of that year.

Good Luck
steve

Posted on Sep 29, 2010

  • 1 Answer

SOURCE: i have vanson hines slip

you cant remove the baffles because the engine needs back pressure to run properly and also your check engine light will stsay on

Posted on Apr 24, 2011

ultrat
  • 500 Answers

SOURCE: 2009 MODEL FLHTCU WITH: K

Settings ?? TFI .. I have same bike K&N ac wild pigs 2 1/4 bafle dealer down load my settings 2.5 ..3..4.... I hear burbling not backfiring .. I have welded a splitter at end of baffle ..

Posted on May 05, 2011

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99 Chevy Malibu 2.4 engine. I check my air mass sensor and it was covered with oil and I see that I had oil in the combustion chamber. How to get out oil


Oil is coming from pcv or breather pipe. You probably have excessive piston ring wear causing blowby and forcing combustion gasses up the engine and into the breather and pcv system. Oil will come with the gasses if not filtered out. Check the pcv valve for proper operation and check any breather cap for baffles to keep the oil in the valve covers. Also consider getting an engine rebuild, if you want to keep the car.

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Remove Baffles from a Micron stainless DUAL Outlet slip on 04@


Hi, Anonymous for more information about your question and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
Remove Baffles from Micron stainless DUAL Outlet slip on 04 Google Search
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http://www.hardracing.com/exhaust%20systems/Micron.htm
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Running slow


As the piston moves down towards the sump, air is vented through a baffle arrangement called the breather.Sometimes a tube connects the breather to the carburettor so that droplets of oil are fumes are sucked back into the engine to be burnt. If you turn a mower on its side and the breather is on the lower side, oil can run out of the breather and possibly into the carburettor.
The carburettor is probably flooded and contaminated with oil. This should eventually dissipate as gas dilutes the oil, but try removing the filter and checkout whether a lot of oil has accumulated. Another scenario is that the air filter has become saturated with oil. If the filter is a foam type, the excess oil can be squeezed out. However if a paper filter is fitted, the likelihood is that it will have been destroyed and need to be replaced.

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1 Answer

Back fire with vance hines pipes


Sounds like it is running lean. The ECM must be remapped for a performance breather and/or free flowing pipes. I would use H-D Super Tuner or have a dealer do a digital download to remap the ECM properly for the changes you have obviously made. You may do great harm to your engine if you run it without the mapping change as the VE will be changed and the ECM doe not know what is physically going on with VE if it is not mapped into the ECM

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2009 MODEL FLHTCU WITH: K & N FREE FLOW AIR FILTER, VANCE & HINES SLIP ON WITH 2 1/4" BAFFLES. PROBLEM IS BACKFIRING ON DE-ACCELERATION. SETTINGS ARE AT FACTORY SETTING FOR AFTER MARKET AIR...


Settings ?? TFI .. I have same bike K&N ac wild pigs 2 1/4 bafle dealer down load my settings 2.5 ..3..4.... I hear burbling not backfiring .. I have welded a splitter at end of baffle ..

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1 Answer

I have vanson hines slip on and i want to remove the baffles and im running efi bike , can i do that ?


you cant remove the baffles because the engine needs back pressure to run properly and also your check engine light will stsay on

Apr 24, 2011 | 2006 Harley Davidson FXDCI Dyna Super...

1 Answer

2002 hd fat boy 1450 kiryakin air filter vince hines 2in1 pipe 16000km my problems is on the left side on both top valve cover theres a clicking noise coming from there more likely when the engine warms up...


What you're hearing is the rocker arm opening the valves. This is normal operating noise.

Your Harley is an older design pushrod operated engine. Unlike most other motorcycles engines, Harley does not use overhead cams in any of their bikes other than the V-Rod. Additionally, there is no sound deadening material inside the rocker box covers. Although the engine is equipped with hydraulic tappets, there is a bit of running clearance in the rocker arms and their shafts they run on.

In short, this is not unusual and your Harley will run for many miles. If you can hear that clicking, it sounds like you need to take the baffles out of that V&H pipe.

To see a diagram of your engine, go to BikeBandit.com. , click on OEM and choose your bike or any Big Twin of that year.

Good Luck
steve

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Check engine light is on - 3 codes 17748,17573,17755. Fuel mileage is down significantly, as is engine power


17748 camshaft sensor and crankshaft sensor incorrect correlation [bank 1]. Valve timing is most probably incorrectly set. 17573 Rich mixture. Can be caused by high fuel pressure. -Faulty Lambda Probes. - Blockage in exhaust system[ loose baffles] - Blockage in inlet[clogged air filter] Petrol tank breather system [faulty canister purge valve]. 17755 same as 17748 but bank two. Check valve timing, Fuel pressure and for loose baffles in exhaust system.

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2 Answers

Question about Vance and Hines quiet baffles


about 3-5db but you must remember db is not a linear scale but logirythmic. basicallyy the baffles will remove the harsh rasp off the pipe and make them deep in sound, when cold they will be as loud as normal but once they have some heat in them they quieten down

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