This special 21XZ-B edition 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.
|
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
|
- Brand: OS Engines
- Part No: L-OS1217E
- Barcode: 4531028024519
- Displacement: 3.5cc (0.21ci)
- Starter: Flywheel Start
Free UK Delivery!
This item is over £100, so qualifies for free standard UK shipping!
We Ship Worldwide!
To see shipping costs simply add the item to your basket and choose your country from the drop down list on the view cart page.
No product reviews yet!
No questions yet, why not ask one?
