- GPX missing shifts? Try this.
- ?? about the tb 146 kit
- Aluminum GPX Oil Sling?
- weak lifan 125
- Custom Machined Parts
- Custom Machined Parts
- Brake Pads? Anybody?
- Xtreme CR2 Motor!
- GPX 140CC Motor
- X4 rims
- x4 and i like it
- Staggs cooler on X4 pics
- Pitster Pro Shock
- I Need Brake Pads!!
- Best Exhaust for 125cc GPX
- after market rear sprocket for SSR?
- and then on top of everything else.......help
- This One is For Pitster...
- Pitster Pro Pipe Note...
- pitster wheels
- 14 X 12 or 12 X 10 setup
- GPX engine
- How much oil for GPX
- Lifan 120 clutch mods
- H-bomb Pipe Question
- gpx inner rotor?
- installing a cam chain sprocket on a crank
- My Pitster X2 (Pics and Comments)
- Mounting FMF 4.1
- Keep that Thang Cool!!!
- TB 145 Lifan kit
- Thanks to Outlaw and Pitster
- couple X2R brake pedal issues
- roketa 107 cc piston pin size.
- piranha 125ztx
- Seeing Red - Market Analysis
- X4 Honest Race Review!!!
- GPX or Lifan?
- pro circuit exhaust
- Whats Better 4up GPX or new 4up 140 Lifan?
- I-cat Spark duration device!!
- X4R handlebars
- Are these bikes any good?
- anyone know.....
- sikk mx
- i'm 205lbs
- I just aquired 2 motors and now I have questions ...
- HELP with kill switch
- Were to buy this one...
- pitster forks
- Yamaha of Troy Graphics
- X4 size and feel???
- Moab Monday and Tuesday after Mini Moto?
- 140cc Lifan and other engine questions
- X4 setup?
- Orion/SUNL Bike review
- GPX motor
- Aftermarket parts
- green sticker / vin
- Spoke length's?
- ????????
- Honestly, which one???
- honestly, which one?
- X4 options help -
- X4 Options??
- X4 help
- any information on KAYAK brand 110's knockoff?
- Lifan 20mm Counter Shaft
- Pitster rear sprockets!
- Lifan 110cc
- gpx wiring?
- extreme 10" and 12 " rear wheels F/S
- HELP!! with lifan clutch reasembly.
- lovely
- 13mm piston pin to 14mm
- Pitster SM wheels?
- My pro mini...
- 140 kit
- Dohc nock offs
- putting in a crf 50 motor?
- Terra-moto in USA
- another find look good?
- Beware of Staggs
- Motovert brakes
- How to remove oil sling? what tools needed?
- Trottle sticking open
- X4 Footage at Bunker Hill
- Steering stem sizes!
- anybody ever dig into a sikk 120 motor?
- ssr mounts
- X4 review...
- My chinese midsize
- Lifan 125cc 20mm Counter Shaft Sprocket Help!!
- Xtreme Pro Stock 125 hp vs. Xtreme 107 hp
- Xr 70 Motor With Xtreme !07 parts
- X2 rear hub?
- Clutch help
- sgr-usa
- My new Pitpro !!!
- Will A Pipe For A 2000 To 2003 Crf50 Fit My Ssr 125 C3 With The Zonk
- I got my x4
- GPX 146 Jetting
- Just rode the Pitster X4
- where do i get a new zong motor if i need one
- 24mm or 26mm for ported head?
- ebay big valve head
- how much
- 26mm fake minkuni carb
- Zonger/Lifan head the same?
- Need A Stroker Crank Built
- how much
- Thumpstar Backshock
- question on the pitster pro x4
- jailing gpx clutch in a lifan wat mods to do
- 146 gpx stroker
- lifan
- RCM Parts?!?!
- moto vert
- honda cases with clutch on the main shaft?
- Hp #'s
- SSR issues- please help!!
- how much power can i expect.
- Cylinder sleeving
- oil cooler
- gpx 140 head breather
- Flywheels
- lifan 138cc questions
- Anyone Tried this...?
- 1st annual Moab Invitational.
- Looking for a new Lifan 125?
- Lifan BVH?
- manifold adapter for 26mm oko carb
- how much oil in demon forks?
- Where to buy clutch cable for an orion 125?
- Sleeving a stock GPX Cylinder
- frame worth
- Staggs Oil Cooler Install
- 50 Gearing?
- Big Bore HC Spark Plug??
- stearing prob. rcm frame w/pitster forks
- voltage specs from stator/cdi
- Is it worth moding the sdg 107 motor
- swing arm bolt size
- Need Gpx Motor Help
- HELP Carb puking gas
- GPX going big
- xtreme 131 or 140 kit ?
- falcon pitbikes
- Polini 4v head specs
- Piston of choice for BVH?
- Rear sprocket style for SDG
- 70cc orion semi supermoto finished
- Silencing my bike - Lifan 125cc
- chinese containers
- Any such thing as a Service manual for a GPX??
- What are u running?
- CLutch size and clutch tool size, 04 Xtreme 107?
- Peg mount question for GPX engine.
- questions about the pitster x4
- RCM wheels on a SDG
- tb race head on xtreme?
- What Big Bore Pipe Fits?
- Kids on the Pitbike schedule? PA\OH...
- Any Word on the X4s ??
- 124 GPX vs. 125 Lifan
- 125 GPX vs. 140 GPX
- 66mm and 73mm camshaft
- orion pitbike motor
- Knock off testing LMAO
- found big valve
- SSR 88 (90r)
- Soo I'm setting my SDG Pro Mini up with a 145 kit...
- need help with z50 clone
- Xtreme Wrist Pin mm? Cheap Horsepower
- gpx big valve head
- lifan bv head?
- jetting for GPX 140 kit?
- Can a stock GPX cylinder be bored to 56mm
- My 7 year old's bike is done.
- Pitster X2 Suspension question
- SGR rear end?
- x4 forks
- Finally Finished!
- Are pitster pro's nice? Best pit bike under $1500
- Lifan 107cc Mods???
- Need to sell my X2r, what's it worth?
- What's Faster?
- Looking for a new chain roller, which is best?
- Xtreme or Pitster Pro???
- Falcon test is MXA
- Suggestions for bike
- Mini ATV
- What should I do with this SSR?
- Piranha Pitbikes!?!?!?
- GPX Mods
- brake problems...?
- BVH Cams?
- sprocket size help
- ***Post Your Current Engine Specs***
- Clutch
- What else?
- X4 SGR edition hp?
- Whats's the word on the X4's?
- 20mm carb on my 70 is overkill...what do I do?
- Some more porting
- Running It On Methanol!!!
- Lifan c-120 porting help needed
- little more help
- Little Help
- Anyone know where I can get these shrouds?
- CHP HC piston
- Pitster Straight Footpeg mount Review/Tall Seat?
- my new pipe on my panterra 50
- Installing a cam in a gpx
- check this out guys
- 70cc supermoto build coming along
- Opinion Thread - Daytona's New 115cc Engine
- Bikes for Kids
- Need help Identifying engine...
- Tb 411
- Can You Run A Pit Bike On Alcohol???
- Xtreme with Kitaco 124se top end or Daydona DOHC
- Pit Bike Oil Coolers
- Pit bike oil coolers
- Looking for a good but quiet exhaust
- 125 zongshen jetting
- Need a little SSR (and other) Help...
- Crower Cam hp
- need a definitive answer abour wheels
- Pitster 134 kit?
- Should I be worried?
- Lifan 140 Discussion
- Can a pitbike be faster than a 85 2-stroke?
- gas tank?
- Anyone know what size Allen for Xtreme Forks?
- Lifan 107 Shift Fix???
- Thumpstar question
- Kitaco super coil question
- Vin number ?
- x4 auto setup
- GPX clutch cable mounting
- Getting more from my xtreme engine....
- BBK runs great
- lifan 140 knockoff
- so i measured bore and stroke
- shipping??
- CopyCat Counterfeiters at Indy
- Does OGM=GPX?
- Calling all running a Gpx on a cfr50..
- Before I go to bed: A Pic