What is the purpose of the breather tube attached to the rocker cover?
A breather pipe allows an internal combustion engine to vent crankcase pressure out of the engine. It is actually a vent pipe. By venting pressure out of the crankcase, an engine’s piston rings are allowed to seal tighter against the cylinder walls.
What is a valve cover breather hose?
The thought behind the breather is that you are supposed to get more fresh air flow down into the crankcase from the valve cover. This increases the cycle of oil vapor flow out of the crankcase. The added fresh air displaces the oil vapors in the crankcase with the assistance from the IM vacuum sucking it out.
Why is there oil in the breather tube of a motorcycle?
by Chris Gilliland. A stream of oil, flowing from the engine’s breather tube and into your motorcycle’s air box, is the result of a condition called blow-by. Caused by an increase of pressure within a motorcycle’s engine, this phenomenon forces oil up into the breather tube attached to the crankcase.
How does the oil pump work on a Yamaha xv1600?
Afterward, the gears connect (on the discharge side) to squeeze the oil out. The original design of oil pump gears on the XV1600 was thin, lacking the integrity needed to endure frequent force.
Why does my Yamaha xv1600 make a ticking noise?
The cylinder heads’ air-cooled nature means some ticking is inevitable, especially as engine temperature increases and parts start expanding. However, hearing a ticking noise when the engine isn’t hot may point to improper valve clearance adjustment. Each cylinder in the engine has two intake valves and two exhaust valves.
Are there any problems with the Yamaha xv1600?
5 Most Common Problems with Yamaha XV1600 Roadstar. 1. Motorcycle Makes Abnormal Noises. Because of the air-cooled engine design, the Yamaha XV1600 is susceptible to emitting several noises. Unlike 2. Transmission May Malfunction. 3. Suspension May Bottom Out. 4. Handlebars Wobble/Front End …
How to remove and replace valves in a cylinder head?
You need to remove the schrader valve first before you attempt this, if not, air will not flow into the cylinder. You can also use a piece of rope or equivalent to keep the valves from dropping into the cylinder while you work. This method works well if you’re just replacing the valve seals.
What kind of powerhead does a Yamaha outboard have?
Some of the new or rebuilt Yamaha outboard powerheads are 2-cycle models and others are 4-cycle models. Here is some basic information about each type: 2-cycle: This kind of Yamaha outboard powerhead runs with two cycles. On a single revolution, there is a combined power and exhaust stroke followed by a compression and intake stroke.
Can you get a Yamaha 200 powerhead on eBay?
If you have greater needs, you could get a Yamaha 200 powerhead or a Yamaha f350 powerhead. Consider upgrading to a larger engine if you plan on towing people behind you or if you plan on having a lot of people on your boat, which would increase the overall weight. You’ll see the term “cylinder” as you browse the collection on eBay.
What kind of power head does a Yamaha S150 have?
Rebuilt Engine POWER HEAD 2003-2008 Yamaha Marine 150 Hp. S150 V6 Engine POWER HEAD Re-Manufactured 1 Yr. Warranty Yamaha F75-F100 Hp. Engine SHORT BLOCK 2001-2004 Re-Manufactured 1 Yr. Warranty Yamaha F75-F100 Hp. Engine SHORT BLOCK 1999-2000 Re-Manufactured 1 Yr. Warranty Yamaha Marine F200 , 225 TXR Engine Re-Man SHORT BLOCK Yr.