{"product_id":"vhm-yamaha-yz125-01-04-cylinder-head","title":"VHM Yamaha YZ125 01-04 Cylinder Head","description":"\u003cp\u003eVHM's gold CNC-machined cylinder head (part AA33032), built around an exchangeable combustion chamber insert. Swapping the insert changes the compression and squish to suit the track, conditions and fuel, without machining the head. The water passages are designed for better cooling and the head seals with O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYamaha: YZ125 01-04\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore engine power\u003c\/li\u003e\n\u003cli\u003eBetter heat transfer\u003c\/li\u003e\n\u003cli\u003eMore resistance to detonation\u003c\/li\u003e\n\u003cli\u003eExchangeable combustion chamber inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSERTS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInserts are sold separately, and the head needs one fitted. See the VHM insert listing for this bike\u003c\/li\u003e\n\u003cli\u003eVHM standard insert: AE32046-L For YZ144 there's no VHM standard insert, but we can produce a custom insert to your specifications to match the head on your bike, or you can machine yourself with the blind insert AE32046-A.\u003c\/li\u003e\n\u003cli\u003eReplacement head O-ring kit: SK33077\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"VHM","offers":[{"title":"Default Title","offer_id":67522027028721,"sku":"SER-VHM-AA33032","price":470.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0456\/3441\/files\/52166_1.jpg?v=1794689605","url":"https:\/\/goldcoastdirtbikeperformance.com.au\/products\/vhm-yamaha-yz125-01-04-cylinder-head","provider":"Dirt Bike Performance","version":"1.0","type":"link"}