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Diamond Helicentre Ltd
26 Duckworth Street
Shaw
Oldham
OL2 8ET
United Kingdom
Phone / Fax: +44 1706 880 479
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OS 50 SX-H Hyper Engine

OS 50 SX-H Hyper Engine

SPECIFICATIONS
OS Stock Number: OSMG1951
Displacement: 0.499 cu in (8.17 cc)
Bore: 0.866 in (22 mm)
Stroke: 0.847 in (21.5 mm)
Practical rpm: 2,000-20,000
Output:1.9 hp @ 17,000 rpm
Weight: 14.3 oz (406 g)
Includes: No.8 glow plug

Diamond Helicentre Price: £117 inc VAT

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Engines & Exhaust Systems

OS 91 SZ-H Ringed Engine

OS 91 SZ-H Ringed Engine

SPECIFICATIONS
OS Stock Number: OSMG1983
Displacement: 0.91 cu in (15cc)
Bore: 1.02 in (25.8mm)
Stroke: 0.87 in (22.0mm)
Practical rpm: 2,000-16,000
Output: 3.3 hp @ 15,000 rpm
Weight w/o muffler: 21.3 oz (605 g)
Includes: No.8 glow plug

Diamond Helicentre Price: £215 inc VAT

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OS 91 SZ-H PH Ringed Engine

OS 91 SZ-H PH Ringed Engine

SPECIFICATIONS
OS Stock Number: OSMG1984
Displacement: 0.91 cu in (15cc)
Bore: 1.02 in (25.8mm)
Stroke: 0.87 in (22.0mm)
Practical rpm: 2,000-16,000
Output: 3.3 hp @ 15,000 rpm
Weight w/o muffler: 21.3 oz (605 g)
Includes: No.8 glow plug

Diamond Helicentre Price: £230 inc VAT


YS 50 ST Engine

YS 50 ST Engine

SPECIFICATIONS
YS Stock Number: 50ST
Displacement: 0.499 cu in (8.17cc)
Bore: 0.87 in (22.0mm)
Stroke: 0.85 in (21.5mm)
Practical rpm: 2,000-19,000
Output: 1.9 hp @ 17,000 rpm
Weight w/o muffler: 14.0 oz (398 g)
Includes: glow plug, check valve

Diamond Helicentre Price: £151 inc VAT


YS 91 ST Engine

YS 91 ST Engine

SPECIFICATIONS
YS Stock Number: 91ST
Displacement: 0.912 cu in (14.95cc)
Bore: 1.06 in (27.7mm)
Stroke: 0.98 in (24.8mm)
Practical rpm: 2,000-16,000
Output: 3.2 hp @ 15,000 rpm
Weight w/o muffler: 18.7 oz (530 g)
Includes: glow plug, check valve

Diamond Helicentre Price: £215 inc VAT


YS 91 Sr Long Stroke Engine

YS 91 SR Engine

SPECIFICATIONS
YS Stock Number: 91SR
Displacement: 0.908 cu in (14.88cc)
Bore: 1.06 in (27.0mm)
Stroke: 1.02 in (26.0mm)
Practical rpm: 2,000-16,000
Output: 3.2 hp @ 14,600 rpm
Weight w/o muffler: 18.8 oz (533 g)
Includes: glow plug, check valve

Diamond Helicentre Price: £235 inc VAT


Zenoah G260 PUH Engine

Zenoah G260 PUH Gas Engine

SPECIFICATIONS
Zenoah Stock Number: G260 PUH
Displacement: 1.55 cu in (25.4cc)
Bore: 1.34 in (34.0mm)
Stroke: 1.10 in (28.0mm)
Practical rpm: 2,000-13,000
Output: 2.4 hp @ 12,000 rpm
Weight w/o muffler: 55.7 oz (1580 g)
Includes: Walbro carburettor, exhaust, Air filter

Diamond Helicentre Price: £245 inc VAT


Torpedo Gas Exhaust

Torpedo Gas Exhaust for Zenoah G231 / G260 PUH Engine

Diamond Helicentre Price: £99 inc VAT


Youngblood Muscle Pipe 5 for 50 Size Engines

CY Enterprises MP5 for OS 50 / YS 50 Engines

Diamond Helicentre Price: £55 inc VAT


Youngblood Muscle Pipe 5 for 90 Size Engines

CY Enterprises MP5 for OS 91 / YS 91 Engines

Diamond Helicentre Price: £79 inc VAT


RJX Hobby 50 Size Exhaust

RJX Hobby Exhaust for OS 50 / YS 50 Engines

SPECIFICATIONS
RJX Stock Number: T.B.A.
Overall Length: 10.0 in (255.0mm)
Diameter: 1.57 in (40.0mm)
Centre to Face distance: 1.77 in (45.0mm)
Optimal rpm: 13,000-18,000
Includes: gasket, exhaust deflector, pressure nipple

Diamond Helicentre Price: £47 inc VAT