Apex Billet Cylinder Head - YZ125 and YZ125X (2005-2021) - One …
Replacement head nuts and The Apex Technical Innovations billet cylinder head offers a two piece design made of 6061 aluminum alloy. The two piece design allows for interchangeable combustion chambers (domes) to suit the power characteristics of any riding style.
Phathead Racing CNC machined two stroke cylinder heads
Buy a Phathead cylinder head kit and gas cap, select custom etch and we will etch both the cap and head. Call (734) 648-0103, email, message or chat. Free shipping orders $60+. Everything on the site is in stock.
VHM 2005-2021 Yamaha YZ125 Cylinder Head and Insert
Yamaha YZ125 Performance Cylinder Head. VHM has been the world leader in Two Stroke performance heads since 1978. In that time many World, National and Regional Championship Titles have been won in Motocross, Kart and Road Racing. Heat is the enemy of especially 2 stroke engines, as the race goes on and the engine gets hotter, the power drops off.
APEX RACING OFFICIAL Yamaha Racing Products - Apex …
SCRATCH & DENT YZ125 (X) Billet Cylinder Head Kit - 1 dome. SCRATCH & DENT YZ250 (X) Billet Cylinder Head Kit - 1 Dome. Two Stroke Racing Heads and Billet Yamaha Parts.
TSP Billet Cylinder Head – Yamaha YZ/YZX 125 - South Bay …
The TSP cylinder head for the Yamaha YZ 125 is higher compression than the stock head but still safe for 91 octane pump fuel with appropriate jetting. It offers improved bottom/mid-range power over the stock head and is best suited to trail riding, offroad racing or MX riders who want max mid-range torque.
Apex Racing Yamaha Cylinder Heads - ThumperTalk
Mar 6, 2021 · I installed an Apex head on my YZ125, and couldn't believe the change in engine character! The tightened up squish really helps produce more power everywhere, and helps broaden the jetting window, as it will now run more clean over a wider range of temperatures.
Yamaha YZ125 Phathead cylinder head kit 2005-2025
Yamaha YZ125 Phathead cylinder head kit 2005-2025. Chamber selection: FX11 - 8.3cc Stock FX12 - 7.8cc (95+ octane) FX13 - 7.2cc (100+ octane) Phathead Kits include a head shell with one combustion chamber, two sets of o-rings, cylinder head nuts, copper washers, some stickers for your bike and tool box and installation instructions..
YZ125,250 VHM, Phathead, BUD performance cylinder heads - ThumperTalk
Feb 15, 2014 · Thinking about purchasing a performance cylinder head for my YZ. It seems like an easy performance upgrade to a 2 stroke. All you have to do is replace the cylinder head.The head can be customized with inserts to give you a different compression ratio resulting in a more power, the kit requires y...
VHM Cylinder Heads & Inserts - Langston Motorsports
Elevate your engine’s performance with our top-of-the-line VHM cylinder heads and inserts, available at Langston Motorsports. Designed for riders who demand precision and power, our VHM collection delivers exceptional results, whether you’re racing or riding off-road.
Yamaha - HP Race Development
HP is a world leader in yz125 race engines. Ask about our powerjet carb conversion! YZ125 Mod Stage 1 | $500. Our starter package for the yz125 makes around 37 hp, is extremely reliable, and will do it with a stock pipe, stock reeds. -Cylinder porting stage 1. -Head Mods.
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