2018 KTM 125 SX crankshaft life. Hello, Guys. I am needing some advice on when to change the crank in my son’s bike. We have 99 hours on it and it’s due for the second top-end. He is a good novice rider and the bike has been very well maintained. We don’t ride sand-tracks, but mostly hard-pack or loam. Everything has held up impressively mog. Posted April 7, 2021. It depends on load and oil type. The harder you ride the more oil you need , most modern oils are good at 40:1 ,before 32:1 was the golden number. Buy NICECNC Orange Oil Change Drain Tool Compatible with KTM 125 250 300 400 500 525 530 SX SX-F EXC EXC-F XC XCF XCW TPI Six Days 1998-2022 Husqvarna TE 125 150 250 300 449 FE 250 350 450,See Fitment at Amazon. The KTM 125 SX model is a Cross / motocross bike manufactured by KTM . In this version sold from year 2006 , the dry weight is 92.4 kg (203.7 pounds) and it is equipped with a Single cylinder, two-stroke motor. The engine produces a maximum peak output power of and a maximum torque of . With this drive-train, the KTM 125 SX is capable of Support us by grabbing your parts and accessories from AOMC.MX! 4T 15W50). Changing the transmission oil (125 SX) To change the gear oil warm up the engine and park the motorcycle on a hor- izontal surface. Remove oil drain plugs [3] and [4] and drain the used oil into an appropriate container. Clean the magnets of the oil drain plugs and mount them together with the appropriate gaskets. Page 36: Cleaning The manual and dealer were strongly advising my to mix my pre-mix to 60:1, which is typical if you use good oil. I have been using Amsoil dominator at 50:1 for years now and never had a single problem. Even on my RM250 which Suzuki wanted 32:1 in the manual. It got 50:1 and nice looking pistons and bore coating. So in laymans terms, the "thickness" of the oil at 200 degrees F for a 50 wt oil will be greater than that for a 40 weight oil. This "thickness" is what is protecting your bearings and other wear parts inside the engine/transmission. For the few dollars more per oil change, I'm choosing the 50 wt (specified by the manufacturer) over the 40 wt. uA35z5.

ktm 125 sx oil change