mods

  1. Slick Rick

    New dirt tracker mods!

    Here's a before shot... The bike ran good just was a little light in the front when I would power out of the corner.... So if everything goes to plan this mod should help that out. After.....
  2. T

    RTC-8 head mods

    Im currently building a radical predator engine. I have pretty aggressively ported RTC-8 head. I was wondering if anyone made some stainless steel valves with the 5mm valve stems. If not how can I make some fit. I was thinking of drilling out the valve stems on a drill press but i don't know if...
  3. G

    301 bolt on mods for preditors

    Hey there everyone,I havn`t on here in a bit working alot,well here it is I just purchased an 8hp(301) preditor motor.I`m putting it in a baja warrior,I was wondering what are the best bolt on mods i can put on,and what is the best tc on can put on it?
  4. Danny01

    79cc mods?

    what mods can I do to a 79cc Predator besides exhaust, air filter, and governor?
  5. E

    predor hard to start after mods

    I bought a brand new hemi head predator. installed .308 dyno billet cam new springs billet rod billet flywheel stainless valves. after reassembling its almost impossible to pull start engine I got it to start one time.. checked timing and valve lash both seem good. btw I used the thinner head...
  6. cxbra

    Getting the bike sorted out for summer :)

    My bike has been down since last October when I crashed it into a light pole, luckily I made it out with only some bruised knees and swollen ankles after I went flying over the bars (no helmet either, wow being young = stupid). My forks were smashed of course and I bent them back to where I...
  7. R

    212 predator hemi mods?

    I wana start modding my 212 predator. Its not governed since i had to stretch a spring to get motor to drop down to idle. the first speed run i made was 30mph not knowing my govner was not gona work. Turned throttle stop in a bunch and droped it to 20mph. My goal is to try and get back to 30mph...
  8. JAGGUY

    This one is different, home made or what is it?

    I was thinking home made, but the triangle and other bends are really good. Had some self done mods for sure.. Anyone seen something like this before?
  9. M

    Hemi build help and advice needed-noob

    Hey gents I started to tear down my doodlebug last night and only have the wheels, fork, and pegs to remove before dropping the frame off for Powdercoating. Putting all new parts on it, brakes, pegs, handle etc. I'm looking to put in a hemi predator212 and looking to do some basic mods to...
  10. jewwlion

    Ways to speed up your Predator 212cc without removing governor?

    I'm currently running a 212cc Predator on my minibike and am irritated that the max speed on it is 24 mph. Here is what I've already done to the engine: 1. higher flow exhaust 2. aftermarket K&N air filter 3. new jet kit 4. reduced gear ratio from 1:6 to 1:5 (12:72 to 12:60) Any ways...
  11. teetheboss

    (1971 grand series sabre lil indian mini bike restored) before and after pics

    I have a restored 1971 grand series sabre lil indian that has ben restored with mods and brand new parts. Comment what you think about the restored modified bike. Mods: °slick wide drag tire °removed governor °High performance racing spark plug °Aftermaket air intake with adapter...
  12. Full Throttle

    compression ratio

    Any way of telling about how much the compression ratio is by running a compression test on engine after you do all your mods ?
  13. A

    Recommendations

    Let me start by saying that i have spent some time researching and reading your site (and reading the rules). My kids kart that I got them through some recent bartering a while back has finally died. The stock subaru / robin 169cc 6.5hp motor was done. I know it would have been really...
  14. jewwlion

    212cc Budget mods!

    Hey there guys I recently finished building a minibike running a 212cc Predator. For now its completely stock and I measured speed straight out of box and it runs at about 25 mph (limiter screw removed). I was wondering if I could get the engine up to ~35 for less than about $100-$200. I'm also...
  15. CmeBckKd

    To bore a stock carb or not?!

    I'm just learning about carbs and how to build up a motor. When should I consider getting my stock carb bored out? Besides the air filter and exhaust, what supporting mods do I need? How much performance is average on just boring the carb? How much do most shops charge to bore a stock carb?
  16. W

    Just coming onboard

    Warrior50 here, I just registered. I am 50 yrs. old and recently bought a Baja warrior and have been doing some work on the carb and am going to design my own exhaust. I saw on You Tube where a guy was really impressed with the mods he made to the carb. He says a 140 E-tube and .037" main jet...
  17. NTRO

    Ntro mods and transformation

    I will be doing a lot of diamond plate.
  18. X

    predator hemi mods

    Ill be building a friends predator 212 hemi, I'll be installing a real mikuni 22mm vm series carb. May consider a 24, will be removing the governer along with installing a billet flywheel, and along with the popular straight through exhaust. So far ive done some mild porting to the stock valve...
  19. K-Saletta

    Predator 212cc questions

    Hello my name is Kyle Saletta and i have bunch of questions I would like to ask. I was wondering if on my next engine I should buy a gx200 clone to mod rather than a predator 212cc (old style) which I have now. Mods: Top plate Walbro pump (pulse inlet in valve cover) Breather (no catch can)...
  20. M

    gx340 minimum mods needed to be safe

    hey everyone, I got a free gx340 off a power washer from work after cleaning the carb changing the oil and a new filter it started first pull. I have decided to put a torque converter on it a commit 40 series it works great but isnt fast enough, of course, what i would like to do is get the...
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