RK Tek Head and Piston Install | More power for your 300 2 stroke!
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- Опубліковано 15 жов 2024
- What is the difference between an OEM KTM piston and the RK Tek piston? What is the difference between an OEM KTM head and an RK Tek Head?
Why RK Tek over TSP or Slavens S3 Head?
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11:26 The carb vent lines are not there to allow the tank to drain fuel into the carb, the engine is running and therefore removing fuel from the float bowl, this means that the tank can replenish the consumed fuel without the need for vent lines, after all fuel is replaced with fuel, not air. The lines are there so that atmospheric pressure is 'delivered' to the float bowl, this means that you have a pressure difference between the carb's venturi and the float bowl, this pressure difference pushes fuel up the emulsion tube, past the needle jet and into the air stream running through the venturi. If the vents get blocked or are under water for a split second then atmospheric pressure in the float bowl is lost, no fuel will enter the air stream and the engine will quit running. (You will end up with wet feet!). The reason that there are four tubes is to ensure that at least one is not blocked and the fact that they exit the carb at 90 degrees to each other has something to do with when the bike is landing from jumps. I extended the two that Irun up under the tank so that I could run them down the front frame tube for a few inches, the ends point downwards. When they are left just pointing forward it is possible when jet washing the bike to force water down them, it ends up in the float bowl which causes problems!
Best Dirt Bike show on TV! haha
make sure you do an Italian tune every now and then on your bikes.. Might have to try that head!
They are amazing! I honestly have never felt such good power
Good stuff Morgan!! Thanks for this video!! I need to call RKTeK!!
You do!
New drinking game. Take a shot everything Morgan says kelsey🤣
Hahaha
Hi Morgan I have 2017 ktm sx
36mm Kiehin rad Valve
Jetting is super clean
Had to screw in power valve
Problem is the hit is a monster
Low end is amazing
Going to put a exc head it
Rich or lean is my question
Can jetting get rid of the big hit
Thanks before I die 👍
Jetting can help. Mainly the needle if everything else is solid. Might try the Suzuki needle NECJ
@@highlandcycles thanks for the reply
Do have a Suzuki in it think it’s 3 or 4 richer. Have got a necj will try next any thoughts on the exc head thanks
I have a 17 250 xc. Lower compression rk dome helped. Lectron also smoothed out the delivery. Also that ignition map is very aggressive. The xc has a more lazy curve
The ribs on the inside create more surface area which helps with cooling. Would have been nice to know the size of those base gaskets in metric... could you just grab your vernier and check?
I could have but they are installed now.
The ridges are supposed to create more turbulence in the combustion chamber, assuming that you are not referring to the ridges on the outside of the 'head insert, i.e. the ones in the coolant area', Somender Singh patented the design years ago. The patent has lapsed, probably because in reality they do very little, if not nothing at all... patents.google.com/patent/US6237579B1/en
I have a 2021 gasgas ex300. I was considering upgrading the head and or the ecu. Would recommend just the head from RK TEK or the other options i've noticed is the TSP package with both the head and reflashing of the ecu. Also Coober makes an ECU replacement, which is in Austria next to the KTM factory?
I think the setup would be RK Tek Head and Coober ECU
@@highlandcycles Thanks man
I hope that air filters getting replaced/cleaned properly 😱
Of course.
I Have a non related question, What do you think about the sticker style side frame guard ?
I’ve never used them
What’s your thoughts on running the rk tech head on the newer ktms with electric fuel injection?
They are good
2018 TE300
Hahaha. Sorry
Can we get the story behind your thumb?
ua-cam.com/video/d6Hs60TUYA4/v-deo.htmlsi=qdAyETmLowHs_uiI
Cool beans
Yeah
How much quid for this set up ?
330 for the head, 195 for piston and 25 for gaskets.
🔥🔥🔥
👍🏻
A 17 with the original top end? She a garage princess?
I was wrong. I guess it’s an 18 but yeah. They have lots of bikes and this one was the wife’s until now.
👍👍
👍🏻
You didn't get round to explain the differences between the RkTek , TSP and S3 ?
Sorry. The big difference is that the TSP and S3 are really just higher compression heads where the RK Tek is higher compression and a better shape.
Sorry. The big difference is that the TSP and S3 are really just higher compression heads where the RK Tek is higher compression and a better shape.