Hey guys welcome back to Enduro Evolution, in this video im rebuilding the power valve from a 2019 300 XC-W TPI.
If you're going to be completely disassembling the cylinder, make sure you have all your o rings and parts ready to go, sounds like a no brainer but it could easily be overlooked.
Top end kits "do not" come with power valve, gear or exhaust flange o-rings. sold separately
1-POWER VALVE O-RINGS (GREEN) (2)
2-POWER VALVE GEAR O-RINGS (BLACK) (2)
3-EXHAUST FLANGE O-RINGS (ORANGE) (4) (mine came with the new exhaust flange kit from KTM)
1-Start by getting all your parts together, install all o-rings and insert the gears with the teeth facing towards the back of the cylinder, there is a left and right gear, left is marked with a (L)
2-Grease and install the sleeves on the power valve, install into cylinder
3-Install the retaining plated and torque the T-25 screws to 4.3 ft lbs
4-Install gear arm and assembly both sides
5-Set Z measurement 49.5MM
6-Torque 5MM Allen bolts to 7.4 ft lbs
7- Get ready to install the piston
TOOLS:
-5MM ALLEN SOCKET (7.4 FT LBS)
-SMALL TORQUE WRENCH
-TUSK DECK/TIMING TOOL ( 300XCW) (49.5 MM)
-T25 TORX BIT
-ASSEMBLY GREASE
-RTV GASKET MAKER (HEAT RESISTANT)(RED)
-Blue thread lock (MEDIUM STRENGTH)
We highly recommend getting a flange saver when you first buy your two stroke, it's a must have unless you want to be replacing the exhaust flange every so often.
The exhaust flange cost me about $450 CAD, the flange saver cost around $60 - $80 CAD
We also recommend you buy a metric bottoming tap set.
Carefully, tap every hole that previously had thread lock in it.
Vapour blasting done by ANDY WELLS at WELLS MOTOWORX
(CYLINDER/POWER VALVE)
wells.motowo...
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Cheers guys thanks for watching, see you on the next one!
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