Oil breather
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Cruiser
Joined: May 2010
Posts: 240
Likes: 72
From: WA State
Oil breather
On the new 2017 Triglide, I read that Harley is routing the breather hose to the transmission instead of returning it to the intake .
Has anyone heard of this , and if so how is it supposed to be better ?
You are either going to get carbon buildup on top of the pistons or dump all that oily crap into the transmission.
Think I will stick with DK Customs breather kit with a catch can.
Has anyone heard of this , and if so how is it supposed to be better ?
You are either going to get carbon buildup on top of the pistons or dump all that oily crap into the transmission.
Think I will stick with DK Customs breather kit with a catch can.
Road Master
Joined: Dec 2014
Posts: 1,036
Likes: 45
From: Florida
Not on my 17 TG. It's clearly routed into the intake from the breather holes.
Didn't see much evidence of oil yet. Just a slight film on the inside of the filter (metal part). However I will do the bypass very soon anyway. Don't need that hot air going into the intake. Cold air is better.
Didn't see much evidence of oil yet. Just a slight film on the inside of the filter (metal part). However I will do the bypass very soon anyway. Don't need that hot air going into the intake. Cold air is better.
On the new 2017 Triglide, I read that Harley is routing the breather hose to the transmission instead of returning it to the intake .
Has anyone heard of this , and if so how is it supposed to be better ?
You are either going to get carbon buildup on top of the pistons or dump all that oily crap into the transmission.
Think I will stick with DK Customs breather kit with a catch can.
Has anyone heard of this , and if so how is it supposed to be better ?
You are either going to get carbon buildup on top of the pistons or dump all that oily crap into the transmission.
Think I will stick with DK Customs breather kit with a catch can.
The '17 M8's are even using the exact same breather bolts as previous years. All our External Breather Systems work on the '17 M8's.
Not on my 17 TG. It's clearly routed into the intake from the breather holes.
Didn't see much evidence of oil yet. Just a slight film on the inside of the filter (metal part). However I will do the bypass very soon anyway. Don't need that hot air going into the intake. Cold air is better.
Didn't see much evidence of oil yet. Just a slight film on the inside of the filter (metal part). However I will do the bypass very soon anyway. Don't need that hot air going into the intake. Cold air is better.
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Road Master
Joined: Dec 2014
Posts: 1,036
Likes: 45
From: Florida
Agree. I'm sure that the hose along with the hot air mixing with the cold air simultaneously creates havoc within the venturi flow. Probably makes the air bounce around instead of a good straight flow as needed. I always say "What begins wrong always ends wrong". That's one of the main reasons why I pay very close attention to intakes in performance/racing applications.
Road Master
Joined: Nov 2013
Posts: 1,099
Likes: 115
From: Clarion PA.
I also do
That is why I went with Boyesen
Agree. I'm sure that the hose along with the hot air mixing with the cold air simultaneously creates havoc within the venturi flow. Probably makes the air bounce around instead of a good straight flow as needed. I always say "What begins wrong always ends wrong". That's one of the main reasons why I pay very close attention to intakes in performance/racing applications.
Novice
Joined: May 2014
Posts: 16
Likes: 0
From: Kenyon minnesota
I have the D K breather set up on my 2010 trike. Works great no oil drips anywhere. Here in az for the winter and temps in the 80s. Did the install myself got 3800 miles on so far.
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Seasoned HDF Member
Joined: May 2006
Posts: 6,500
Likes: 332
From: Blue Grass (KY)
They tuner I use really recommends and likes the Boyesen. I've. Ever even seen one.
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Road Master
Joined: Nov 2013
Posts: 1,099
Likes: 115
From: Clarion PA.
ride safely fearless