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Pitster Pro - FSE 140R Semi-Auto

Vital Information
Part No FSE-140R-Semi
Stock Level 5 Left
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T Bolt USA Proudly offers Pitster Pro Bikes 

EVERY Pitster we sell is The Latest Version and
Brand New with all of the latest upgrades

Excited about getting your bike, and setting it up?  
Check out the Pit Bike Shipping Info and Pit Bike Set Up Info in our Tech Database to get an idea of how quick and painless the process is.  

Note: Bike now comes with grey plastics, updated pictures coming soon

Note: Frame only available in black (Frame color shown in last picture)

Competition mini moto 12 inch stock class racer! Big or little, young or old, the FSE 140R is fun for all. The FSE 140R has racer friendly features like electric start, hydraulic disc brakes and 4 speed transmission. Nothing dominates the 12 inch stock class like a Pitster pro FSE 140R

Check the specs and compare with the offerings from Honda, Kawasaki, Yamaha and Suzuki and you will see the FSE 140R is packed with more features, more power, better suspension and value!

ManufacturerPitster Pro
ModelFSE 140R
Available ColorsWhite, with red and black trim
Engine Type140cc four stroke semi-automatic w/ electric start
Final Drive420 Chain
Fuel DeliveryCarburetor
FuelUnleaded Pump Gas (Run Premium When Available)
Recommended Engine Oil10W-40 Petroleum Based (Nonsynthetic)
Kick StartYes
Electric StartYes
Auxiliary OutputNo
Transmission4-speed semi-automatic
Front Suspension

Adjustable compression and rebound 4.8 inches

Rear Suspension

Adjustable compression and rebound 5.2 inches, preload adjustment

Swing Arm

Alloy w/ adjustable shock

FrameChromo w/ cradle
Front Wheel1.40 X 14
Front Tire2.50 x 14 (60-100/14)

Front Brake190mm W-Style Rotor w/ floating Caliper
Rear Wheel3.00 X 12 (80-100/12)
Rear Tire1.85 X 12
Rear Brake190mm W-style rotor w/ floating caliper
Wheelbase43 inches
Seat Height28.75 inches
Curb Weight144.5
Fuel Capacity1.1 Gallon
Ground Clearance8.5 inches
Overall Length61 inches
Overall Width27 inches


  • You may want to consider setting up the bike on a stand for a solid starting location at first until your confident
  • Turn on Both Fuel and Choke
  • DO NOT open the throttle (do NOT turn the throttle)
  • Move the starter down until it gets stiffer, your looking for top dead center
  • Let the starter come back up and give a full strong swift kick ALL the way thru
  • REPEAT (If necessary)
  • When warm just do not use the choke

Flooded Engine:
IF your flooded , pull the plug, kick it over about 10 times WITH THE PLUG OUT
Put in a NEW PLUG

For ease of starting:
You may want to consider our TRC EZ START HIGH PERFORMANCE CDI
Part No. TRC-9745 (NOT FOR USE ON ZS190s)

One more thing:
At times it helps to just crack the throttle a tiny bit to let air in.

Available Options:


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Since 2004, every purchase from TBolt USA includes access to technical support from our staff of experts and our online Pit Bike Technical Info Database!

We have all necessary support parts on hand.

Most orders ship same, or next business day, unless otherwise noted above.