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What'New
◆2022.04.25
Closed for Golden Week
◆2021.12.17
O.S.SPEED R21 SHIMO EDITION 2 About the initial position of the carburetor
◆2021.12.09
Notice of discontinuation of MAX-25LAII
◆2021.11.30
Please be aware of the counterfeit products! No.6
◆2021.11.12
Counterfeit glow plug evaluation
◆2021.10.13
Please be careful about counterfeit products.
◆2020.09.09
DISCONTINUED EXPLODED VIEWS WITH CODE NUMBERS LIST(2020)
◆2020.05.20
Notice of closing a live steam locomotive business
◆2020.01.23
O.S.ENGINE EXPLODED VIWS with CODE NUMBERS LIST DOWNLOAD
◆2020.01.23
O.S.ENGINE TIMELINE DOWNLOAD
◆2019.11.04
O.S.SPEED R2104 won the 1st prize of 2019 IFMAR 1/8 IC Track World Championship(JPN SITE)
◆2016.10.23
TWO PREMIUM MODELS TO COMMEMORATE THE 80TH ANNIVERSARY
◆2016.06.07
To all the users of OMA-4043-172 and OMA-4043-172 II
◆2015.08.03
O.S.PROFESSIONAL WEB SITE OPEN
◆2014.11.07
THE ERROR IN INSTRUCTION MANUAL OF CODE #12750 O.S. SPEED 21XZ-B Spec II
◆2014.06.02
Shinnosuke Yokoyama takes Japanese 1/8th nationals(Red RC Network)
◆2013.03.24
How to adjust the GT15HZ carburettor
New Product Information
◆2023.03.06
O.S.SPEED T1204 W.C. COMBO SET
◆2023.01.10
O.S.SPEED B21 ONGARO W.C.
◆2021.12.25
O.S.SPEED B21 ONGARO EDITION
◆2021.08.20
O.S.SPEED B2104(O.S.SPEED SITE)
◆2021.04.27
O.S.SPEED R21 SHIMO EDITION 2 COMBO SET(O.S.SPEED SITE)
◆2020.11.01
O.S.SPEED T1204(O.S.SPEED SITE)
◆2020.09.25
O.S.SPEED B21 RONDA DRAKE EDITION(O.S.SPEED SITE)
◆2020.08.04
NEW PRODUCT MAX-21XR-B Ver.III(Jpn.Site)
◆2019.12.01
NEW MODEL GF30II
◆2019.11.27
O.S. SPEED R2104 WORLD CHAMPION
◆2019.11.18
O.S.SPEED B21 ADAM DRAKE EDITION 2(JPN SITE)
◆2014.12.22
O.S. SPEED R21 Shimo Edition
◆2014.12.22
O.S.SPEED B2101 "Ty Tessmann's Edition
◆2014.12.22
2014 IFMAR 1/8 OFF-ROAD WORLD CHAMPION ENGINE O.S.SPEED B2101
◆2014.12.22
Expressly for 1/10 Touring-car racing competition engine O.S.SPEED T1201
◆2013.10.31・・・Wankel Rotary Engine see-through type
◆2013.10.28
1/8 Off-road buggy Engine MAX-21XZ-B Ver.II
◆2013.10.20
1/8 Track Racing Engine O.S.SPEED R2101
◆2013.03.24
GF40
◆2013.03.24
O.S. brushless motor for Helicopter OMH Series
O.S.SPEED
R21 SHIMO EDITION2
O.S.PROFESSIONAL
GF80TU-FI
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