Crankcase venting - Victory Forums - Victory Motorcycle Forum
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post #1 of 19 (permalink) Old 12-02-2016, 08:12 PM Thread Starter
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Default Crankcase venting

The vent hose behind rear jug runs up between cylinder heads , is it suppose to just vent out there.?
Seems lots of oily crap, all in there?

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2011 XC TRIKE, Lloydz HPT cams, timing wheel, 1/4 turn throttle and air filter. PCV and Autotune

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post #2 of 19 (permalink) Old 12-02-2016, 11:49 PM
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It's supposed to vent into the air box.
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post #3 of 19 (permalink) Old 12-03-2016, 04:28 AM
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You know what would help a lot? A service manual.
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post #4 of 19 (permalink) Old 12-03-2016, 06:13 AM
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Supposed to vent into the airbox. Just fit a mini KN type filter to it to stop it sucking shit in and don't Max fill at oil changes as if it's right on or a bit over you'll get oily residue pumping out.
Higher you can get the filter the better.

Victory Vegas 2010
Lloydz 109"cube big bore
" " 495 cams
" " TorqueTubes
" " timing wheel @4 deg.
" " Primary plate
" " IAV
RPW Slash pipes
PCV
Progressive 465 rear shock
Kingpin USD Forks
18" XC front wheel
1 3/4" 'Burleigh Bars'
Stebel air horn
12.106 @110.90mph
114/123

Victory Cross Country 2010 (106)
Lloyds air filter
" " VM1 Cams
Home gutted exhaust
Maximus
Both tuned by [email protected] Dyno
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post #5 of 19 (permalink) Old 12-03-2016, 11:53 AM
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There is a nipple on the frame above the rear cylinder thats where the hose goes to
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post #6 of 19 (permalink) Old 12-03-2016, 01:06 PM
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When one adds filter/cap to vent tube on top of crankcase (#9), what about the other end where the vent connects to the frame (#6)?
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File Type: jpg Crankcase vent #6.jpg (31.2 KB, 9 views)

2014 XCT - blue/silver - 11" Madstad windscreen - hyd clutch - Black LED headlight -
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post #7 of 19 (permalink) Old 12-03-2016, 03:20 PM
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Default Cap it.

If you are going to run an external filter on the PCV you need to cap the nipple on the upper frame or else your engine will suck dirt into the intake. You can pick up a rubber cap like a large vacuum cap used to cap or plug a vacuum system on an intake. Also you can put a short piece of hose onto it and stick a plug in it or a short bolt, make sure the bolt has a smooth shoulder on it that actually fits into the hose.
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post #8 of 19 (permalink) Old 12-03-2016, 03:25 PM
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Default Oil smell

NOTE: If you run the external engine vent, or put a filter on it just be aware you may smell oil sitting at lights or when you park the bike after it has been ran for a while. The vapors or engine blow by instead of being sucked back into the intake will escape to atmosphere and you may smell the stinky oil smell. Just so you know, I did run my bike for a while that way and yes I could smell the oil, but I got a nose that is to sensitive sometimes, ha,ha.
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post #9 of 19 (permalink) Old 12-03-2016, 04:09 PM
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Quote:
Originally Posted by Speedblue View Post
NOTE: If you run the external engine vent, or put a filter on it just be aware you may smell oil sitting at lights or when you park the bike after it has been ran for a while. The vapors or engine blow by instead of being sucked back into the intake will escape to atmosphere and you may smell the stinky oil smell. Just so you know, I did run my bike for a while that way and yes I could smell the oil, but I got a nose that is to sensitive sometimes, ha,ha.
"I love the smell of crankcase oil in the morning"
"smells like Victory"
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Victory Vegas 2010
Lloydz 109"cube big bore
" " 495 cams
" " TorqueTubes
" " timing wheel @4 deg.
" " Primary plate
" " IAV
RPW Slash pipes
PCV
Progressive 465 rear shock
Kingpin USD Forks
18" XC front wheel
1 3/4" 'Burleigh Bars'
Stebel air horn
12.106 @110.90mph
114/123

Victory Cross Country 2010 (106)
Lloyds air filter
" " VM1 Cams
Home gutted exhaust
Maximus
Both tuned by [email protected] Dyno
110/116

Gold Coast
Australia
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post #10 of 19 (permalink) Old 12-03-2016, 05:26 PM
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Quote:
Originally Posted by sheets View Post
When one adds filter/cap to vent tube on top of crankcase (#9), what about the other end where the vent connects to the frame (#6)?
Never block off #9 put hose on it and run down to ground. Auto store you can get small crank case filter so no sucking back.
Heck Lloydz never does anything with hose leave it attached to frame nipple

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