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  1. G

    SL70 gets updated suspension, Good head

    Size Thanks, The bore kit is 57mm so on a 150 with a 60mm stroke it makes it ABOUT a 153cc I rode the bike 2 weeks ago and its VERY fast. That big tire throws alot of dirt! I love the DEcomp cam. I just have to take it all apart and paint everything. Disc brakes feel great too.
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    140cc Lifan Engine from Atomik - Personal Experience

    Im runnina a YX150 "same top end as 140" TB 57mm bore kit with HC piston. Tried the Taki S20 decomp cam. LOVE IT! First kick you go slow to set it. Than it kicks EASY. Its the same decomp setup that the newer YX140s have. Not the kind kike 160 or klx
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    Perth Speedway Pics

    Damm let me at em. Where is my Flattrack Z! Nobbie tires? wrong
  4. G

    SL70 gets updated suspension, Good head

    Its mostly sorted out now. Rode it today. Better than Viagra! Its very fast. Yea Terry really dose do GOOD HEAD s LOL That Decomp cam is the ****! Getting ready to take apart and paint.
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    The Ultimate Engine Starts HERE!

    Do they make it in mid block stud spacing?
  6. G

    SL70 gets updated suspension, Good head

    Well i built a SL70 with new suspension, 150 Pirahana with Firepower worked over head.Pics coming
  7. G

    Just pulled the head. Is this bad?

    That went Firekapower! Hey I know where you can send the crank to have the rod "Fixed"
  8. G

    POWER!!

    Hi Sean, Have you seen the akunar head? Is it a different casting than the Lifan-YX type big valve head?
  9. G

    Best way to check cyl wall clearance?

    So I should use a stove to heat it? Will it get too hot? How long should it cook for?
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    Best way to check cyl wall clearance?

    So whats the best way to check piston to cyl clearance? Cold cyl, Hot, I dont know. 67mm kit for YX160.:afro:
  11. G

    inner rotor kit crap

    :cheer2:Ok seen pics of this fine setup you offer. I like it! Yea I keep thinking Flattrack. This aint no old Bultaco Astro. Im having nightmares about these cranks.
  12. G

    inner rotor kit crap

    In my opinion irk,s are junk.hey they work ok on a 50 or 70 to help them get out of their way. Do yourself a favor and throw it away. A stock Honda complete system "yea,the big flyweel" will make youre 160 run better and be easyer to ride. Most of the china systems give too much advance. like 40...
  13. G

    YX 140 camshaft upgrade

    Actually the Z40 cam is really good. Terry just did a head for me" Installed bigger valves" in a Lifan big valve head. Nice job jackass! and put in the Tak decomp cam. It will be a few weeks for a ride report. Ill be sure to let you guys know how the cam works.
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