
	Features


	Recent Reviews

	Winged Shadow Thermal Scout Ty1 Super Z Bender Type S With Wire Cutter Phoenix Model Tiger 60 Phoenix Model Trainer 60 Singahobby Lithium Battery Pack for Futaba 10C Singahobby Helicopter Work Stand Manually control your brushless motor without a radio and receiver Tahmazo T210X Lithium Powered Starter PowerBox Systems Digi-Switch Marabu Do-it Spray (Medium Yellow)


	Shop with confidence


	Newsletter

	E-mail: Subscribe Unsubscribe Previous issues


	Feedback from our customers

	Thank you for your excellent service! from Valerie Gascoigne, England I am very pleased with the content of the package. Many thanks for your kind and helpful service. from Bryan Dillon, United Kingdom I do appreciate shopping at your Shop. What my friends saying is true, "Singapore Hobby Supplies is the best and the most reliable Shop in Asia". Our Hobby group here is quite small in size but do recommend your shop to everybody who is interested. My letter might be a Testimony to all your customers. Your satisfied customer. from Wesley Jyawthu,Myanmar "Thank you for the excellent service." from Hennie, South Africa Thanks for your good service and kindness. I'm pretty sure that this must be one the reason of the success of Singapre Hobby. Look forward to deal with you again sooner. from Yang Dui Thanks for the fast reply and superb action. What I can say to my 1st experience with you, thumbs up!from Mohd Halim, Malaysia "The kit arrived yesterday, very good service"from Neil Hanson, Australia "Thank you for excellent service re my purchase of a YS 170DZ/M. I have received it today. I will soon return"from Dag, Norway


	Syndicate

OS FR7-420 Sirius 7

The OS FR7-420 (Sirius 7) is a seven-cylinder radial overhead-valve fourstroke-cycle engine of 70cc displacement. The engine maintains the same features of stress free starting, super smooth idling and high torque power which is always the hallmark of OS large size multi-cylinder engines. With its finely detailed design and outstanding scale appearance and sound, the engine's quality is second to none.

Standard Accessories:

Glow plug Type F (installed on the engine)

Plug Cable Set
-Plug Cable (7pcs.)
-Plug Terminal (7pcs.) (w/silicone tube)

Lead For Earth diameter 5 (1pc.)

Needle-Valve Extension Cable Set

Drain Plug

Carburetor Insert

Radial Mount Retaining Screw Set
-Engine mounting screws (M5x25) (5pcs.)
-Lock Washers (diameter 5) (5 pcs.)
-Blind Nuts (M5) (5pcs.)

Valve adjusting tool kit
-Feeler gauge 0.04mm
-Feeler gauge 0.1mm
-Hex. key 1.5mm
-Wrench 5mm

Decal

Instruction Manual

Aluminium Case

Specifications:

Displacement:	9.95 cc x 7 / 0.607 c.u.in. x 7
Bore:	24.0 mm / 0.945 in.
Stroke:	22.0 mm / 0.866 in.
Practical R.P.M:	1500-7000 r.p.m
Weight:	3167 g / 111.71 oz.

Price: $4,525.00

add to cart