Description
Base engine model; EJ207 ※ EJ25CH is EJ207 combustion chamber enlargement processing
combustion chamber volume: EJ20CCH about 43.9cc / EJ25CH about 53.0 cc
valve: 1 mm oversize
valve spring: high lift corresponding
valve spring retainer: titanium
valve spring seat: SPCC
valve guide: phosphor bronze
valve seat ring: Beriringu
camshaft: IN 250-9.60 EX 256-9.80
valve lifters: STD
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