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•By the enlarged Fins of cylinder head,increase radiation area and correspondence to the increase of the calorific value
•The compression ratio was kept down to 12:1. This kit is not only about the pursuit of high power,it was designed with carburetor setting in mind. |
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(IN)valve diameter ø22.5
(port inside diameter ø24)
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(EX)valve diamete ø20
(port inside diameter ø21)
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click here
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description
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P/No.
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price
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Big fin head bore-up kit
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271500 |
¥50,000 |
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Big fin head bore-up kit (with high cam shaft)
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271505 |
¥58,000 |
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contents
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Big fin head assy(assembled strength valve spring), Cylinder, Piston kit,
Gasket set, Rocker arm assy
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specification
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bore = ø52mm , displacement = 88cc , compression ratio = 12
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model
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HONDA
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engine No.
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12V Monkey,12V Gorilla
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Z50JE-2000001~
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DAX('95~)
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AB26E-1000001~
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CD50
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CD50E-1500001~
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Super Cub50
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C50E-0200001~
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Monkey Baja
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All models
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JAZZ
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All models
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Magna50
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All models
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6V Monkey / Gorilla *1
* Use 12V Monkey cam gear
OEM Parts No.14321-GB6-910
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Z50JE-1606093~Z50JE-1805927
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Monkey R/RT *1
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All models
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*1 The OEM cam shaft is not able to fit for this bore-up kit. Please purchase the kit with cam shaft |
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== Handling matters that demand special attentiion ==
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•In order to use this kit, you must change the carb&exhaust
•It's better to use a carb with a high perfomance.(KEIHIN PC20 or over) |
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