master cam (noken as) BRT khusus untuk yamaha nmax 155 (tidak bisa digunakan untuk aerox 155 dan lexi 125). tersedia tipe :
(T2 ready) durasi in low = 208', klep in membuka 3' STMA, menutup 25' TMB durasi in high = 256', klep in membuka 21' STMA, menutup 55' TMB durasi ex = 253', klep ex membuka 49' STMB, menutup 24' TMA lift in low = 6.70 mm 98 - 107' TMA lift in high = 8.43 mm 105 - 115' TMA lift ex 8.50 mm 97 - 106' STMA overlap = 27' in low 1.17 mm, 45' in high 2.72 mm, ex 2.51 mm diameter base = in low 28.00 mm, in high 28.00 mm, ex 25.00 mm