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6cc (100+ octane)
4cc 105+ octane
0cc (100+ octane)
80s/90s Yamaha - YZ/TTR/YFM/YFZ/IT/YFS/YFB
Yamaha YZ65 2018-2025+ Phathead cylinder head kit
Yamaha YZ85 YZ80 Phathead cylinder head kit 1993-2018 YZ250 6cc (100+ octane)Yamaha YZ85 Phathead cylinder head kit 1993 2018 YZ80 Chamber selection: Y01 6. 4cc StockY02 6. 0cc (95+ octane)Y03 5. 6cc (100+ octane)Y04 5. 2cc (105+ octane) 52. 5mm big bore chamber 100+ octane for use with big bore piston 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.. Phathead cylinder heads are made
US$ 140.00
US$ 231.22
US$ 258.98
US$ 59.99