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OS Speed B2103 Type R

499,00 449,00

Op voorraad bij leverancier (5-7 dagen)

Artikel: OS1BP00
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Beschrijving

This is the OS B2103 Type R engine. This 5-port long-stroke engine offers great power at medium-high speeds. The crankcase, the crankcase cap and the carburetor feature a new design. The new DLC-coated crankshaft has two tungsten counterweights for smooth rotation and better balancing. It shares the same new features as the Type S engine except the cylinder and the cooling head which has a standard round shape.

Features:
  • The long-stroke off-road engine put a high value on beasty power in mid-high speed range.
  • The crankcase, carburetor, cover plate, crankshaft and inner head are designed new.
  • All the parts are interchangeable to those of TYPE S’s.
  • A newly designed 5-port cylinder & piston set (5 scavenging port+ 3 exhaust port)
  • A standard round type outer head
  • A newly designed 22E carburetor for producing high power
Technical specifications:
  • displacement 3.49cc
  • bore 16.27mm
  • stroke 16.80mm
  • rpm 4000-42000 rpm
  • max output 2.64hp/34000 rpm
  • weight 354gr
  • exhaust T2100SC
  • port 5-port
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