Tec Camshaft Himalayan Review Through Including a Dirt Bike Track 

You valve clearance specs appear to be flipped. Shouldn’t the exhaust clearance be .23 and in take .08?

I just love how you set up the camera so we could see the bike hopping around like that - looks like you had a LOT of fun!

Great information, Ron.

That's how I do it with the TEC camshaft. 0.09 inlet, 0.20 outlet. No problems for 15,000 km. When the engine is worn out I will install a big bore kit. It's not all that expensive. Have fun with your REH, greetings

Hi there, nice one. You probably got the same comment by other viewers but at 0:55s the overlay text on the valve clearances are inverted: intake should be between .08 and .1 and exhaust between .23 and .25, in a nutshell the same values as for the factory camshaft.

I got a power commander in my Himalayan without the cam and it works wonders.

Hi Ron! Don't be sorry about the breathing, hate to consider the alternative :) 1st time I noticed you have the gear indicator where my compass to nowhere is located. The compass just showed that Royal Enfield has a sense of humor.

Anyone have different experiences with the Tec Cam? Thought about getting one?

I'm curious, how did you manage to get the camshaft? They don't seem to offer shipping to the US on their website and the US website doesn't have the camshaft on it.

I was noticing that without a cam and FuelX and a 16 tooth sprocket (mine is all stock) my bike does about 5000rpm at 100kmph or a little under 65mph. And it has no problem with hills either, and I live in the Andes in Colombia. And then it dawned on me that you said you were at 6,000ft elevation. I am only at 3.000ft. My average temperature is also in the high 70's which means I will enjoy more oxygen than your 90 degree temp. The rule of thumb is that you lose about a 3 percent hp per thousand feet due to less oxygen to burn. That means my stock bike is running close to 10 percent more horsepower than you would be stock, and of course 10 percent less than a person at sea level. That is why small aircraft such as a Cessna 150 has a service ceiling of 12,650 to 15,300 depending on the model. Because of this they are not able to cross many of our 16,000ft mountains in Colombia so you see few of them down here. The problem is weight and that nasty 3 percent loss of hp as you climb in altitude. So it is something to consider when watching vids of mods on other people's bikes, and on dyno testing. The question always has to be taken into consideration as to altitude, air temperature, barometric pressure and relative humidity. I had a Ninja running velocity stacks when living in southern MD which is close to sea level. The velocity stacks eliminate the air box making the bike sensitive to temperature, relative humidity and barometric pressure. Every change of seasons I was rejetting the carbs in order to maintain performance. So basically your results are only really going to be relevant to a person from your local area. A person at lower elevations will have more power and better performance with the same mods because the extra oxygen is what the mods such as the cam and FuelX pro are designed to produce and take advantage of. Sorry for the bad news. You might want to consider water injection as is used on aircraft. It is a cheap and effective way of boosting horsepower at altitude. H2O (oxygen) That is why my Himmy runs better on cool humid days.

Is this test with the FuelX activated or?

"Hey, I heard that installing a high lift cam could potentially cause some sluggishness in the lower end. is that true?

How long have you had the bike? Presumably it’s still under warranty. Are you worried about voiding your warranty by installing the cam?

I really wouldn't set the exhaust to 0.23. I set it no bigger than 0.2 even though 0.23 is the factory recommendation. I've heard of a number of people having damaged exhaust valves (pitting in the top of the valve stem) precisely because of the hammering it gets with that huge gap. But I'm no expert. Just looking for as much objective information as possible!!

If you can't breathe try narration while you edit.

I have the tec cam on mine and theres no way one could tell the difference going as slow as you are here! The cam does improve the engine but its barely noticeable and I see a lot of people do the cam then install a 16 tooth front sprocket, well why would you bother with the cam? One tooth different front sprocket equals 300 revs quick is bugger all but its bugger all in the wrong direction as these need all the torque they can get. Turbo the damn thing.