Douglas Aero 1936

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25 Dec 2025 at 17:55

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LEFT OVER PARTS FROM DOUGLAS RESTORATIONS FOR SALE. by Majorduncan
[Today at 13:51]
2 3/4hp timing gears by Black Sheep
[Today at 06:43]
Amal 7/8" Straight Pull Twist Grip Slide & Retaining Ring by JMACD013
[Yesterday at 18:48]
douglas aero 600project bike for sale. by alistair
[Yesterday at 12:14]
Basil's Douglas by Diecast
[22 Dec 2025 at 09:12 ]
Douglas Pulleys & Douglas Beaded Edge rims by Majorduncan
[22 Dec 2025 at 00:05 ]
Wheel rim for sale by Majorduncan
[22 Dec 2025 at 00:02 ]
Veteran fork spindles by Majorduncan
[21 Dec 2025 at 17:24 ]
2/34 project for sale by Majorduncan
[21 Dec 2025 at 17:21 ]
Spares Lists, London Douglas Motor Cycle Club by Doug
[21 Dec 2025 at 05:59 ]
1927 EW350 Generator drive parts wanted by cycarmark
[20 Dec 2025 at 13:52 ]
1910 Type C Rear Wheel Chain guard by Doug
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Douglas Aero 1936

Started by Bruce Shadbolt, 01 Dec 2025 at 18:06

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Bruce Shadbolt

Christchurch, New Zealand
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Posts: 14
Joined: 09 Mar 2025
Visited: 02 Dec 2025
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Douglas Aero 1936

01 Dec 2025 at 18:06

Just put my friends Aero engine together and wondering if somebody could tell me the tappet (valve) clearances. Thanks Bruce

EW-Ron

Oztralia
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Posts: 519
Joined: 15 Jan 2020
Visited: 12 Dec 2025
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Re: Douglas Aero 1936

#1

01 Dec 2025 at 22:10

0.006" both according to this amazing response from Doug & the Service Dept.

https://www.douglasmotorcycles.net/index.php?topic=8098.0

Bruce Shadbolt

Christchurch, New Zealand
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Posts: 14
Joined: 09 Mar 2025
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Re: Douglas Aero 1936

#2

01 Dec 2025 at 23:24

Thanks that will do me.

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