Junior Jackson Ktm 450sxf 2018 Early Review

[wwillf01]

So here is my review on the engine builder. I now have 13 engine hours on the bike that had 50 total hours on the entire engine when I bought it. This is a standard bore, high compression, custom porting, cams, GET ECU, Barkers exhaust and K and N intake. I mix 50/50 u4 and pump. 68 hp and 41 torque with a real stable curve. This is mounted to a 120 2018 Aro. I have loved the engine and the way it pulls and keeps pulling. I seem to keep the engine around 8k most of the time since that it is the sweet spot but if you in trouble it seems like I never run out of rpms in the overrev. You get great track speed that really makes the bike plane out and uphill turn great. I still burn about 1/2 gallon an hour in the powder. I will let everyone know how it goes by end of season. As far as working with him he is hard to get a hold of but does do what he says by the end of it.

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[mumur]

Excited to hear how it goes reliability/stability wise. Great looking curve!

 

[wwillf01]

30 hours and counting ... I am told top ends at 75 hours...

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[cberes]

with u4.4, do you need to drain it after every ride? is it tough on the fuel system long term?


and is that 68 to the wheel? if so very impressive

 

[wwillf01]

with u4.4, do you need to drain it after every ride? is it tough on the fuel system long term?


and is that 68 to the wheel? if so very impressive

To the wheel... I ride a couple times a week so I have not had an issue.. what I am told is you need to run regular fuel through the system when you are going to store it...

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