KawieKX125
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- Oct 9, 2000
- 948
- 0
KX154 big bore stroker ride report!
All I can say is WOAHHHH!!!
The old engine I had was a fully built tom morgan engine straight from his team bikes and this thing absolutely smokes the old one, no doubt it was really fast as a 125 compared to what was/is offered in a kx, but the new engine is nuts. Tom claims the old engine dynoed at 38 hp when first built, and I always kept it fresh and this thing totally wastes it, it has to be over 40 hp, I am having it dynoed in a few weeks, I will let all know the results.
It has a 4mm bore, 4 mm stroke, minimal porting and head work, and I did it all for under 600 dollars (including the spare engine I used to build it from). This thing is seriously a cross between a 250 and a 125. Power of a 250 4 stroke (even more power) with the response and weight of a 125 2 stroke. Sounds pretty dang mean too. :aj: :cool: .
Gotta thank TNR for the awesome crank work (my buddy who assembles my cranks said it went together super easily), Eric for the case and head work, and my buddy for assembling the engine and getting me parts at his dealer cost.
Time to go riding!
All I can say is WOAHHHH!!!
The old engine I had was a fully built tom morgan engine straight from his team bikes and this thing absolutely smokes the old one, no doubt it was really fast as a 125 compared to what was/is offered in a kx, but the new engine is nuts. Tom claims the old engine dynoed at 38 hp when first built, and I always kept it fresh and this thing totally wastes it, it has to be over 40 hp, I am having it dynoed in a few weeks, I will let all know the results.
It has a 4mm bore, 4 mm stroke, minimal porting and head work, and I did it all for under 600 dollars (including the spare engine I used to build it from). This thing is seriously a cross between a 250 and a 125. Power of a 250 4 stroke (even more power) with the response and weight of a 125 2 stroke. Sounds pretty dang mean too. :aj: :cool: .
Gotta thank TNR for the awesome crank work (my buddy who assembles my cranks said it went together super easily), Eric for the case and head work, and my buddy for assembling the engine and getting me parts at his dealer cost.
Time to go riding!