DIY Window Piston for the V2-100 – Worth It?

In this video, I take my BT 100cc V2 reed valve motor, cut my own homemade window piston, and see what it does for performance. No fancy tools, no complicated setup — just a DIY piston mod and a real-world ride test.

We’ll check the top speed, how it pulls on hills, and if this simple piston cutout is actually worth doing on your motorized bike.

⚙ What’s in this video:

Cutting a window in the piston

Installing it back in the BT 100cc V2

Real-world ride test with GPS speed overlay

Top speed & hill performance results

If you’ve been wondering whether a homemade window piston will give you more power on a BT 100cc reed valve motor, here’s your answer.

Keywords:
bt 100cc v2, bt 100 reed valve, homemade window piston, motorized bike piston mod, bt 100cc top speed, reed valve engine mod, 2 stroke motorized bike upgrade, bt100 piston cutout, bt100cc hill climb, motorized bike speed test, diy piston window, bt100 performance mod

#MotorizedBike #BT100 #2Stroke