The naraku cylinder head 21 23 for fantic 125 e 2016-2017 is part of the latest collection from naraku.Features: naraku racing 4-valve cylinder head with 62mm combustion chamber to satiate your appetite for power increased flow, reinforced valve springs and larger valves 21 23mm suitable for yamaha x-max, wr, yzf-r 125 and other 125 mopeds with yi-3 engine the carburetor or fuel injection system must be re-tuned z. B. With malossi force master the cylinder head is suitable for following big bore cylinders: naraku nk600.74, Polini 166.0101, Malossi m.3114852 And other cylinders with 62-64mm bore combustion chamber: 62mm intake valves: 23mm exhaust valves: 21mm new models have the lambda sensor connection directly on the outlet this must be closed on older models scope of delivery without shafts for roller cam followers specifications: color finish: silver engine type: 4-stroke product name: cylinder head kit units: kit to fit: beta rr 125 lc 2011 motard european models beta rr 125 lc 2011 all models beta rr 125 lc 2012 motard european models beta rr 125 lc 2012 all models beta rr 125 lc 2013 motard european models beta rr 125 lc 2013 all models beta rr 125 lc 2014 motard european models beta rr 125 lc 2014 all models beta rr 125 lc 2015 motard european models beta rr 125 lc 2015 all models beta rr 125 lc 2016 motard european models beta rr 125 lc 2016 all models beta rr 125 lc 2017 motard european models beta rr 125 lc 2017 all models beta rr 125 lc 2018 motard european mo...