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NITRODOG Liked a reply to forum topic 2019 Yamaha YZF 250 Cam Chain
3/31/2019 6:15pm
This has been a weak point on the yamaha 250...they are cheap to buy, and not that hard to change...the damage from breaking one is severe...so...be safe not sorry We change the one's on our 450's whenever we do a top end too..... With that said...if you are an average rider, out having fun on the weekend...I'm sure they last just fine...We rode "B" class and was pretty hard on equipment.
This forum topic has 1 reply.
fastkiwi Started a new thread 2019 Yamaha YZF 250 Cam Chain
3/26/2019 11:21pm Anyone heard about the 'new' Yamaha recommended cam chain 12 hour change, seems they have had a few fail. But not taking liability or improved parts.
This forum thread has 1 reply.
2stmark Liked a reply to forum topic 2018 KTM 125 Top End Power
3/3/2019 7:25pm
you need to open up the airbox
This forum topic has 8 replies.
fastkiwi Started a new thread 2018 KTM 125 Top End Power
3/1/2019 6:22pm Hi all, Looking to get more top end (over rev) from a stock bike? It has good bottom end, just doesn't rev out well. Will a pipe do that or do I need to do more?
This forum thread has 8 replies.
CarlinoJoeVideo Liked a reply to forum topic 2018 KTM 125 Top End Power
2/28/2019 6:52pm
I don’t think it’s higher compression with the MX insert, the SX version is high comp and gives you more bottom. I put the SX on my bike with the VHM head. 
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CarlinoJoeVideo Liked a reply to forum topic 2018 KTM 125 Top End Power
2/28/2019 6:51pm
Well if you have it adjusted for too much bottom end or comes in too early you will lose some top end over rev. The MX insert is said to change the compression for more top end but I’ve never tried it. From what I’ve heard the SXS CDi lets the bike scream. Under the tank there’s a wire you can disconnect to give the bike a “soft” map. Make sure it’s connected so you are on the “aggressive map”.
This forum topic has 8 replies.
chump6784 Liked a reply to forum topic 2018 KTM 125 Top End Power
2/28/2019 6:51pm
Mxa did a test on the bud (hgs) silencer. It should give you what you are looking for. Edit, they tested on the 2016 model, i don't know how that carries over to your model
This forum topic has 8 replies.
Bruce372 Liked a reply to forum topic 2018 KTM 125 Top End Power
2/28/2019 6:51pm
Yeah, we have a 2018 tc125 and the engine is amazing but it does lack a little overrev. Fmf fatty and shorty are a good combo we run with vp T2 fuel.
This forum topic has 8 replies.
CarlinoJoeVideo Liked a reply to forum topic 2018 KTM 125 Top End Power
2/28/2019 6:50pm
Have you adjusted your powervalve? That dramatically Change the power delivery. -SXS CDI https://www.ktm-parts.com/SXS15125390.html -FmF pipe and power core silencer -JD Jet kit -MX head insert (VHM has a whole head also) https://www.ktm.com/ph/powerparts/engine/engine-parts-2-stroke/factory-…
This forum topic has 8 replies.
fastkiwi Added a reply to 2018 KTM 125 Top End Power
2/27/2019 9:00pm I thought the power valve only adjusts when the power come on not top end? We normally run the red spring on the 85 to get the hit down low. Yes going to put a HGS pipe and muffler on. I've played with the jetting and got that right I think, but will look into the JD jetting. What does...