ujicoba potong ground busi yg katanya tambah stabil
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12:05
ORANG THAILAND MODIFIKASI BUSI STANDAR JADI BUSI 360°, MEMPERBESAR PENGAPIAN BUSI MOTOR ?
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10:40
🔴GANTI NGK BUSI B9ES NINJA RR🔥BUSI PANAS BUSI DINGIN BUSI HANGAT✅️
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18:22
tes kekerasan cylinder block MLKUNL
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16:01
Busi tanpa elektroda ground
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19:34
SETING KARBU KENDALA BUSI YANG SERING RUSAK ATAU GAMPANG HITAM
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8:54
Cara mudah memperbaiki busi NGK yang mati
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16:45
review cylinder block rvn pro bore up
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47:23