Fitting Hitchcock's engine oil breather to Royal Enfield Bullet 500 UCE
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- เผยแพร่เมื่อ 8 ก.ย. 2024
- In this video I am showing you how I fitted a Hitchcock's engine oil breather to my Royal Enfield Bullet 500. It is a simple job that most people could manage without too much mechanical knowledge. This will save you a fair bit on labour costs.
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A positive draw of the crankcase removes moisture - you might end up with mayo forming ...... positive draw is not just an emmissions thing. If you are concerned about oil draw, a 1 way valve or an oil seperator (see old honda for example) would deal.
A coffee for you for this Ian. I'll be doing this as my next job. Thank you for the video 🙂
Thanks for the donation. Greatly appreciated
Bottom end breathers can make a huge difference to how the engine runs , even with perfect barrel sealing . I helped a work mate with a tuned Ford Pinto 2 litre straight four car engine fitted into a Lotus Seven type kit car . The head was ported , with an upgraded cam , dual Weber carbs and pointless ignition . The engine was just not responding to gentle adjustment and we could not fine tune as a result . We went to a large kit car show where I saw an aluminium oil catch tank for sale . With the engine casing having more breathing it now ticked over and responded to tuning . On the road the engine became smooth and responsive .... way better than before the breather system upgrade .
Definite improvement on the Bullet. As you say the same technique can be used on many different vehicles
a big improvement on the old rubber pipe system.
It breathes and runs better
Looks nice and fine...
Thanks Peter
can we just try directing the rubber pipe on the chain with one way valve so as to lubricate the chain from excessive oil
You can but that is an old school trick. The excessive oil will end up making a mess on the bike as it throws it everywhere.
Nice, I've fitted one myself the other day, I've left the charcoal cannister on the bike as I can't get to the bolts to undo it.. but all the pipes have been blanked off, seems to be running alright, idle speed may be a little high
The oil breather is only to do with the rubber pipe that goes into the back of the airbox as shown on the video. It is nothing to do with the charcoal cannister. I have got a video coming out Thursday that involves the charcoal cannister.
There is the overflow pipe from the petrol tank that runs down to the charcoal cannister. Where the pipe goes to the charcoal cannister just drop that down behind the swing arm so that it will drop onto the floor if it overflows. Next job if you look at the Map sensor which is on the throttle bottle, where the injector is on the right hand side, you will see a pipe come off the back of the MAP sensor. It actually goes to a valve that is bolted to the back of the rear mudguard where it goes just behind the engine. The valve then has two other pipes that go to the charcoal cannister. The pipe on the MAP sensor actually makes a vacuum when the engine is running which operates the valve that is bolted to the mudguard. Basically what you need to do is cut the rubber pipe off the back of the MAP sensor about 50mm then screw a bolt into it to blank it off. At the moment if you pull the pipes off it is sucking air through the MAP sensor and into the throttle body. This is why the engine revs are higher because the engine is running weaker. You must blank that pipe off as described. It is very difficult to explain.
When you see the video on Thursday all will be clear.
@iantoy7778 I have blocked off the tube to the map sensor, I followed your previous video, all went well with that, all remains is the valve and charcoal cannister, they're not connected to anything else just still mounted on the bike 👍🏼
Werk goed al een als je veel langen afstanden rij kom er wat olie uit
Yes it works very well.
Mij royal enfield 500cc clasic staat nu op 40.00km op de teller
I've seen a little filter that fits on there.. Would that do the same thing?