SPECIFICATIONS for PREWAR RILEYS

If anyone can see any mistakes in the following data, or has access to what they believe to be more accurate data, then please mail me at ab6rnm@bath.ac.uk Thank you.

Pre-War Models

• Riley 9 (Basic)
• Riley 9hp
• Riley 10hp
• Riley 10.8 & Redwing
• Riley 11.9 & 11/40
• Riley 12hp
• Riley 12/4 (Kestrel & Falcon)
• Riley 12/6
• Riley 12/18
• Riley 14/6
• Riley 15/6 (Falcon & Lynx)
• Riley 15/6 (Kestrel & Adelphi)
• Riley 16hp
• Riley 17
• Riley 1 1/2 (Kestrel & Adelphi)
• Riley 1 1/2 (Lynx & Falcon)
• Riley 1 1/2 (Merlin)
• Riley 1 1/2 (Continental)
• Riley 1 1/2
• Riley 2 1/2
• Riley 8/90
• Riley 8/90 (Adelphi & Kestrel)
• Alpine
• Big Four
• Brooklands
• Continental
• Imp
• 9 Kestrel
• Merlin
• 9 Monaco
• MPH
• Sprite
• Stelvio
• Victor

 
 
 
 Riley 9
1907-11 
 
ENGINE
 
9 hp V2 cyl side valve                              
Capacity: 1,034cc           
Bore: 86    Stroke: 89 
9bhp             
 
TRANSMISSION
 
3-speed gearbox.      
 
SUSPENSION
 
Front & Rear: Quarter Epilectic 
        
WEIGHT
 
9cwt (chassis only). 
 
DIMENSIONS
 
Wheelbase 6'8" (aprx 2000mm). 
Track 4'1" (aprx 1230mm). 
Length 9'10" (aprx 2990mm). 
Width 5' (aprx 15020mm). 
Tyres 700x80 
 
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Riley 12
1907 
 
ENGINE
 
12 hp V2 cyl side valve                 
Bore 102  Stroke 127 
Capacity 2035cc               
 
GEARBOX
 
3-speed gearbox.      
 
WEIGHT
 
13.25cwt (chassis only) 
 
DIMENSIONS
 
Wheelbase 7'6" / 8'9" (aprx 2250 / 2650mm) 
Track 4'2" (aprx 1250mm) 
Length 11'3" / 12'6" (aprx 3410 / 3790mm). 
Width 5'6" (aprx 1650mm). 
Tyres 810x90 
 
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Riley 10
1909-14 
 
ENGINE
 
10hp V2cyl sv          
Bore 96  stroke 96 
Capacity 1390 cc           
15 bhp     
 
GEARBOX
 
3-speed gearbox.      
Top gear ratio 4.25:1 
 
WEIGHT
 
11.5cwt (chassis only) 
 
DIMENSIONS
 
Wheelbase 7'6" / 8' (aprx 2280 / 2430mm) 
Track 4'2" (aprx 1250mm) 
Length 10'6" / 11'9" (aprx 3190 / 3560mm) 
Width 5' (aprx 1500mm) 
Tyres 750x85 
 
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Riley 12/18
1908-14 
 
ENGINE
 
12hp V2 cyl sv        
Bore 102  stroke 127 
Capacity 2035 cc   
18 bhp  
Carburation: LG    
 
GEARBOX
 
3-speed gearbox.      
Top gear ratio 4.25:1 
 
WEIGHT
 
13/14cwt (chassis only) 
 
DIMENSIONS
 
Wheelbase 8' / 9' (aprx 2430 / 2730mm) 
Track 4'2" / 4'3" (aprx 1250 / 1270mm) 
Length 11' / 12'6" (aprx 3340 / 3800mm) 
Width 5' / 5'1" (aprx 1500 / 1530mm) 
Tyres 810x90 
 
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Riley 17
1914-23 
 
ENGINE
 
17 hp 4cyl sv         
bore 86  stroke 127     
Capacity 2932 cc           
58 bhp at 2500rpm     
Carburation ZE 
 
GEARBOX
 
3-speed gearbox.      
Top gear ratio 4.125:1 
 
SUSPENSION
 
Front semi-epilectic 
Rear 3/4-epilectic 
 
WEIGHT
 
27cwt 
 
DIMENSIONS
 
Wheelbase 10'6" (aprx 3190mm) 
Track 4'8" (aprx 1490mm) 
Length 14'6" (aprx 4400mm) 
Width 5'8" (aprx 1790mm) 
Tyres 820x120 
 
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Riley 10
 1915-16 
 
ENGINE
 
10 hp 4cyl sv      
Bore 63  stroke 88 
Capacity  1096cc     
Carburation ZE 
 
GEARBOX
 
3-speed gearbox.      
 
SUSPENSION
 
Front semi-elliptic 
Rear 3/4 elliptic 
 
DIMENSIONS
 
Wheelbase 8' (aprx2430mm) 
Track 4' (aprx 1210mm) 
 
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Riley 10.8
1919-28           
Riley Redwing 10.8
1923-26 
 
ENGINE
 
10.8 hp 4cyl sv 
Bore 65.8  stroke 110         
Capacity 1498 cc           
35bhp at 3200rpm     
Carburation ZE 
 
GEARBOX
 
4-speed gearbox.    
 
SUSPENSION
 
Semi Elliptic 
 
WEIGHT
 
12.75cwt (chassis only). 
 
DIMENSIONS
 
Wheelbase 9' (aprx 2730mm) 
Track 4'4" (aprx 1310mm) 
Length 13' (aprx 3940mm) 
Width 5'6" (aprx 1620mm) 
Tyres 475/500 x 19 
 
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Riley 11.9 & 11/40
1924-28 
 
ENGINE
 
11 hp 4cyl sv                 
Bore 69  stroke 110        
Capacity 1645 cc     
42 bhp at 3600rpm     
Carburation ZE/Cox 
 
GEARBOX
 
3-speed gearbox.      
Top gear ratio 4.7:1 
 
SUSPENSION
 
Semi Elliptic 
 
WEIGHT
 
12.75cwt (chassis only) 
 
DIMENSIONS
 
Wheelbase 9' (aprx 2730mm) 
Track 4'4" (aprx 1310mm) 
Length 13'6" (aprx 4090mm) 
Width 5'6" (aprx 1620mm) 
Tyres 29x495 
 
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Riley 9
1926-29 
 
ENGINE
 
9hp 4 cyl ohv        
Bore 60.3  stroke 95.2 
compression 5.2:1     
Capacity 1087 cc      
42bhp at 3600rpm   
Carburation ZE   
 
GEARBOX
 
4-speed gearbox.      
Top gear ratio 5.2:1 
 
SUSPENSION
 
Semi-elliptic 
 
WEIGHT
 
17cwt 
 
DIMENSIONS
 
Wheelbase 9' (aprx 2730mm) 
Track 3'11" (aprx 1180mm) 
Length / width: various bodies 
Tyres 27x4.40 
 
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Riley Brooklands
 1928-32 
 
As Riley 9 except: 
 
ENGINE
 
compression 6.5:1    
Carburation 2SU / 2ZE   
 
GEARBOX
 
4-speed gearbox.      
Top gear ratio 4.77:1 
 
WEIGHT
 
15.75cwt 
 
DIMENSIONS
 
Wheelbase 8' (aprx 2430mm) 
Track 3'11.75" (aprx 1200mm) 
Tyres 4.5x19 
 
PERFORMANCE
 
Max speed 80mph 
 
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Riley Kestrel
 1929-35 
 
As Riley 9 Except: 
 
ENGINE
 
From 1932: 
compression 5.5:1    
Capacity 1089 cc     
29bhp at 4500rpm  
Carburration: SU/ZE   
 
GEARBOX
 
4-speed gearbox.    
Top gear ratio 5.25:1 
 
WEIGHT
 
18 / 20.25cwt 
 
DIMENSIONS
 
Wheelbase 8'10.5" (aprx 2690mm) 
Track 4' (aprx 1200mm) 
Length 13'9" (aprx 4180mm) 
Width 4'9" (aprx 1440mm) 
Tyres 4.5x19 
 
PERFORMANCE
 
Max speed 65mph 
0-50 20secs 
Fuel Consumption 30mpg 
 
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Riley 9 Monaco
 1929-35 
 
As Riley 9 Kestrel except: 
 
 
WEIGHT
 
18cwt 
 
DIMENSIONS
 
Length 12'9" (aprx 3830mm) 
 
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Riley 9 Kestrel and Monaco were Saloons. 
 
Also Riley 9: Biarritz (saloon), Army (tourer), Ascot (coupe), Gamecock(Sports) - 1929-32;
 
Falcon (Saloon), Lynx (tourer), Lincock (coupe), Ascot (coupe) -1933-35;
 
and Merlin (Saloon), Kestrel (Saloon), Monaco (saloon) -1936-7 
 
 
 
Riley 14-6
 1929-34 
 
ENGINE
 
14hp 6cyl ohv        
Bore 60.3  Stroke 95.2    
Capacity 1633 cc   
50bhp    
 
GEARBOX
 
4-speed gearbox.      
Top gear ratio 5.5:1 
 
SUSPENSION
 
Semi-elliptic 
 
WEIGHT
 
16cwt (chassis only) 
 
DIMENSIONS
 
Wheelbase 9'6" (aprx 2880mm) 
Track 4' (aprx 1200mm) 
Length 13'5" (aprx 4130mm) 
Width 4'9" (aprx 1430mm) 
Tyres 5.0x19 
 
PERFORMANCE
 
Max speed 68 / 70mph 
 
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Riley Stelvio
 
 
As Riley 14-6 except: 
 
GEARBOX
 
4-speed gearbox.      
Top gear ratio 5.75:1 
 
WEIGHT
 
26.75cwt (chassis only) 
 
DIMENSIONS
 
Wheelbase 10' (aprx 3040mm) 
Track 4'8" (aprx 1400mm) 
Length 13'9" (aprx 4230mm) 
Width 5'6" (aprx 1670mm) 
Tyres 5.0x20 
 
PERFORMANCE
 
Max Speed 66.7mph 
0-50 32secs 
Fuel Consumption 19.3mpg 
 
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Riley Alpine
 1931-33 
 
As Riley 14-6 except: 
 
ENGINE
 
50bhp at 4800rpm 
 
GEARBOX
 
4-speed gearbox. 
Top gear ratio 5.25:1 
 
 
 
Riley Stelvio
 1934 
 
ENGINE
 
14hp 6cyl ohv        
Bore 62  Stroke 95.2   
Capacity 1726 cc   
Compression Ratio 5.9:1 
 
GEARBOX
 
4-speed gearbox.      
Top gear ratio 5.75:1 
 
SUSPENSION
 
Semi-elliptic 
 
WEIGHT
 
27cwt  
 
DIMENSIONS
 
Wheelbase 10' (aprx 3040mm) 
Track 4'8" (aprx 1420mm) 
Length 14'3" (aprx 4340mm) 
Width 5'7" (aprx 1690mm) 
Tyres 5x20 
 
PERFORMANCE
 
Max speed 70mph 
 
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As well as Riley 14-6 Alpine and Stelvio. 
 
There was Also Riley 14-6: Deauville (Saloon), Sportsman (Sports), Kestrel (Saloon),
 
Lincock (Coupe), Lynx (Tourer), Ascot (Coupe), Gamecock (sports), Edinburgh (Limosuine),
 
 Winchester (Limosuine) - 1929-34;
 
 
 
 
Riley MPH
 1934-5 
 
ENGINE
 
6cyl ohv        
Bore 57 / 60.3 / 62  Stroke 95.2   
Capacity 1458 / 1633 / 1726 cc   
Compression Ratio 7.1:1 
56bhp at 4800rpm   
Carburation 2SU  
 
GEARBOX
 
4-speed gearbox.      
Top gear ratio 5.0:1 
 
SUSPENSION
 
Semi-elliptic 
 
WEIGHT
 
18cwt  
 
DIMENSIONS
 
Wheelbase 8'1.5" (aprx 2460mm) 
Track 4' (aprx 1200mm) 
Length 12' (aprx 4840mm) 
Width 4'9.5" (aprx 1440mm) 
Tyres 4.75x18 
 
PERFORMANCE
 
Max speed 89mph 
 
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Riley 15/6 Falcon and Lynx
 1934-38 
 
ENGINE
 
15hp 6cyl ohv        
Bore 62  Stroke 95.2   
Capacity 1726cc   
51bhp at 4800rpm  
Carburation ZE  
 
GEARBOX
 
4-speed gearbox.      
Top gear ratio 5.5:1 
 
SUSPENSION
 
Semi-elliptic 
 
WEIGHT
 
24.5cwt  
 
DIMENSIONS
 
Wheelbase 9'1" (aprx 2750mm) 
Track 4' (aprx 1200mm) 
Length 14'11.5" (aprx 4540mm) 
Width 4'11.5" (aprx 1500mm) 
Tyres 4.75x18 
 
PERFORMANCE
 
0-50mph 13.5 secs 
Standing Quarter Mile 21.4secs 
Max speed 85mph 
Fuel Consumption 18mpg 
 
 
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Riley 15/6 Adelphi & Kestrel
 1934-38 
 
As 15/6 Falcon & Lynx, except: 
 
DIMENSIONS
 
Wheelbase 9'4.5" (aprx 2850mm) 
Track 4'3" (aprx 1280mm) 
Length 14'5" (aprx 4360mm) 
Width 5'1" (aprx 1530mm) 
 
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There was also the Riley 15-6 Stelvio. 
 
 
 
Riley 12/4 Kestrel & Falcon
 1934-35 
 
ENGINE
 
12hp 4cyl ohv        
Bore 69  Stroke 100   
Capacity 1496 cc   
51bhp at 4800rpm / 55bhp at 5200rpm   
 
GEARBOX
 
4-speed gearbox.      
Top gear ratio 5.5:1 
 
SUSPENSION
 
Semi-elliptic 
 
WEIGHT
 
23.5cwt  
 
DIMENSIONS
 
Wheelbase 9'1" (aprx 2730mm) 
Track 4' (aprx 1200mm) 
Length 13'7" (aprx 4110mm) 
Width 4'11.5" (aprx 1500mm) 
Tyres 4.75x18 
 
PERFORMANCE
 
0-50mph 19.2sces 
Standing Quarter Mile 24.5 secs 
Max speed 73.6mph 
Fuel Consumption 28.3mpg 
 
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Riley 12/6
 1935 
 
ENGINE
 
12hp 6cyl ohv        
Bore 57  Stroke 95.2   
Capacity 1458 cc   
Compression Ratio 5.8:1 
  
GEARBOX
 
4-speed gearbox.      
Top gear ratio 5.5:1 
 
SUSPENSION
 
Semi-elliptic 
 
DIMENSIONS
 
Wheelbase 9'6" (aprx 2880mm) 
Track 4' (aprx 1200mm) 
Tyres 4.75x18 
 
PERFORMANCE
 
Standing Quarter Mile 23secs 
Max speed 70mph 
 
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The Riley 12/6 had the following Bodies, from 1933-35:
 
Mentone (saloon), Kestrel (saloon), Lincock (Fixed head Coupe), Ascot (Drop head Coupe),
 
Lynx (saloon), Falcon (saloon). 
 
 
 
Riley 8/90
 1935 
 
ENGINE
 
V8cyl ohv        
Bore 60.3  Stroke 95.2    
Capacity 2178 cc   
80bhp at 4500rpm   
Carburation 2ZE 
 
GEARBOX
 
4-speed gearbox.      
Top gear ratio 4.5:1 
 
SUSPENSION
 
Semi-elliptic 
 
WEIGHT
 
31cwt  
 
DIMENSIONS
 
Wheelbase 9'4.5" (aprx 2950mm) 
Track 4'3" (aprx 1280mm) 
Length 14'3.5" (aprx 4350mm) 
Width 5'1.5" (aprx 1560mm) 
Tyres 5.25x18 
 
PERFORMANCE
 
0-50mph 15.7secs 
Standing Quarter Mile 23secs 
Max speed 82mph 
Fuel Consumption 17MPG 
 
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Riley Sprite 
 1936 
 
ENGINE
 
12hp 4cyl ohv        
Bore 69  Stroke 100    
Capacity 1496 cc   
61bhp at 5500rpm   
Carburation 2SU 
 
GEARBOX
 
4-speed gearbox.      
Top gear ratio 5.22:1 
 
SUSPENSION
 
Semi-elliptic 
 
WEIGHT
 
19.5cwt  
 
DIMENSIONS
 
Wheelbase 8'1.5" (aprx 2480mm) 
Track 4' (aprx 1200mm) 
Length 12'4" (aprx 3670mm) 
Width 4'9.5" (aprx 1450mm) 
Tyres 5.0x19 
 
PERFORMANCE
 
0-50mph 13secs 
Max speed 88mph 
Fuel Consumption 21.5MPG 
 
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Riley 1 1/2 Kestrel & Adelphi
 1936-39 
 
ENGINE
 
4cyl ohv        
Bore 69  Stroke 100   
Capacity 1496 cc   
51bhp at 4800rpm   
Carburation ZE / 2ZE 
 
GEARBOX
 
4-speed gearbox.      
Top gear ratio 5.22:1 
 
SUSPENSION
 
Semi-elliptic 
 
WEIGHT
 
25cwt  
 
DIMENSIONS
 
Wheelbase 9'4.5" (aprx 2840mm) 
Track 4'3" (aprx 1280mm) 
Length 14'6.5" (aprx 4430mm) 
Width 5'1.5" (aprx 1530mm) 
Tyres 4.75x18 
 
PERFORMANCE
 
0-50mph 23.1secs 
Max speed 73mph 
Fuel Consumption 27MPG 
 
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Riley 1 1/2 Lynx & Falcon
 1936-39 
 
As Kestrel / Adelphi, except: 
 
DIMENSIONS
 
Wheelbase 9'1" (aprx 2750mm) 
Track 4' (aprx 1200mm) 
Length 14' (aprx 4250mm) 
Width 4'11.5" (aprx 1480mm) 
Tyres  
 
PERFORMANCE
 
0-50mph 17secs 
Max speed 67mph 
Fuel Consumption 27MPG 
 
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Riley 1 1/2 Merlin
 1936-39 
 
As Kestrel / Adelphi, except: 
 
WEIGHT
 
23cwt  
 
DIMENSIONS
 
Wheelbase 8'10" (aprx 2670mm) 
Track 4' (aprx 1200mm) 
Length 13'10.5" (aprx 4210mm) 
Width 4'10" (aprx 1450mm) 
 
PERFORMANCE
 
0-50mph 17secs 
Standing Quarter Mile 24secs 
Max speed 70.5mph 
Fuel Consumption 26MPG 
 
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Riley 1 1/2 Continental
 1935-38 
As Kestrel / Adelphi, except: 
DIMENSIONS
 
Wheelbase 9'4.5" (aprx 2840mm) 
Track 4'3" (aprx 1270mm) 
 
PERFORMANCE
 
Top Speed 80mph 
 
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Riley 1 1/2 
 1939-40 
 
As Kestrel / Adelphi, except: 
ENGINE
 
Carburation SU 
 
GEARBOX
 
4-Speed gearbox. 
Top gear ratio 4.88:1 
 
WEIGHT
 
24cwt  
 
DIMENSIONS
 
Wheelbase 9' (aprx 2730mm) 
Track 4'3.5" (aprx 1300mm) 
Length 14'3" (aprx 4310mm) 
Width 5'3" (aprx 1580mm) 
Tyres 5.75x16 
 
 
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Riley 2 1/2
 1937-39 
 
ENGINE
 
4cyl ohv        
Bore 80.5  Stroke 120    
Capacity 2443 cc   
82bhp at 4300rpm   
Carburation SU 
 
GEARBOX
 
4-speed gearbox.      
Top gear ratio 4 / 4.22:1 
 
SUSPENSION
 
Semi-elliptic 
 
WEIGHT
 
29cwt  
 
DIMENSIONS
 
Wheelbase 9'8" (aprx 2930mm) 
Track 4'3" (aprx 1290mm) 
Length 14'11" (aprx 4510mm) 
Width 5'3" (aprx 1580mm) 
Tyres 6.25X16 
 
PERFORMANCE
 
0-50mph 14.9secs 
Max speed 87mph 
Fuel Consumption 25/34MPG 
 
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Riley Imp
 1934-35 
 
ENGINE
 
9hp 4cyl ohv        
Capacity 1087 cc   
 
GEARBOX
 
4-speed gearbox.      
 
SUSPENSION
 
Semi-elliptic 
 
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Riley Victor
 1938 
 
ENGINE
 
9 / 12hp 4cyl ohv        
Capacity 1087 / 1496 cc   
 
GEARBOX
 
4-speed gearbox.      
 
SUSPENSION
 
Semi-elliptic 
 
PRICE
 
£299 on launch 
 
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Riley 8/90 Adelphi & Kestrel
 1936-38 
 
ENGINE
 
V8cyl ohv        
Capacity 2178 cc   
80bhp 
 
GEARBOX
 
4-speed gearbox.      
 
SUSPENSION
 
Semi-elliptic 
 
PRICE
 
£450 on launch 
 
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Riley Big Four
 1937-38 
 
ENGINE
 
4cyl ohv        
Capacity 2443 cc   
 
GEARBOX
 
4-speed gearbox.      
 
SUSPENSION
 
Semi-elliptic 
 
PERFORMANCE
 
Top Speed 90mph 
 
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Riley 12hp
 1938 
 
ENGINE
 
12hp 4cyl ohv        
Capacity 1496 cc   
 
GEARBOX
 
4-speed gearbox.      
 
SUSPENSION
 
Semi-elliptic 
 
DIMENSIONS
 
Wheelbase 9' (aprx 2740mm) 
 
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Riley 16hp Kestrel
 1939-40 
 
ENGINE
 
16hp 4cyl ohv        
Capacity 2443 cc   
 
GEARBOX
4-speed gearbox.     
 
SUSPENSION
 
Semi-elliptic 
 
PRICE
 
Wheelbase 9'8" (aprx 2950mm) 
 
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