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O.S. Speed 21XZ-B Ty 110% Combo L-OS1217E

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O.S. Speed 21XZ-B Ty 110% Combo L-OS1217E

Original price was: £549.99.Current price is: £494.99.

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EAN: N/A SKU: L-OS1217E Category:

Description

Description

O.S. Speed 21XZ-B Ty 110% Combo L-OS1217E

This special O.S. Speed 21XZ-B Ty 110% Combo motor was built to Ty Tessmann’s custom requirements in order to help him win of the world championships. Based on B2101, the heat sink head has a refined design for improved cooling during a race on Ty’s request. It also uses a newly adopted 5.8mm reducer to improved fuel efficiency making a crusial difference over a long race. This combo set includes a matched exhaust set using a newly designed 90mm long manifold to give Ty the best fuel economy and a reliable stable idle to suit his tough racing requirements.

• 5.8 mm carburettor reducer for improved fuel consumption performance.
• This combo set adopts a 90mm long manifold, for fuel economy and improved idle.
• Silver anodized finish heat sink head designed exclusively for Ty Tessmann.
• Crankcase & crankshaft with laser etched Tessmann logo.

Specification
Weight:356g (12.59 oz)
Displacement:3.46cc (0.211 cu.in.)
Bore:16.4mm (0.646″)
Stroke:16.4mm (0.646″)
Power Output:2.65 ps (2.61 hp) @ 34,000 rpm
Practical RPM:4,000 – 42,000 rpm

Specification

Specification

Fuel Type

Glow

Brand

OS

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