Sunbeam Model 90 (1928-33) vs Derbi Senda Terra 125 Adventure (2008) vs Derbi Senda R 125 4T (2008-) vs Sunbeam Model 1, Model 2 (1923-30) vs Sunbeam Model 9 (1924-27) vs Derbi Senda SM 125 4T (2004-07) vs Derbi Senda SM 125 4T (2008-) vs Sunbeam Model 3 (1915-26) vs Sunbeam B2 (1958-65)

Comparison technical specifications

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Make:	Sunbeam	Derbi	Derbi	Sunbeam	Sunbeam	Derbi	Derbi	Sunbeam	Sunbeam
Model:	Model 90	Senda Terra 125 Adventure	Senda R 125 4T	Model 1, Model 2	Model 9	Senda SM 125 4T	Senda SM 125 4T	Model 3	B2
Years:	1928-33	2008	2008-	1923-30	1924-27	2004-07	2008-	1915-26	1958-65
Engine:	Single cylinder, four stroke, SOHV	Four stroke, single cylinder. OHC	Four stroke, single cylinder. OHC	Single cylinder, side valve	Single cylinder, OHV	Four stroke, single cylinder. OHC	Four stroke, single cylinder. OHC	Single cylinder, side valve	Single cylinder, two-stroke
Capacity:	493 cc / 30.1 cu in	124 cc / 7.6 cu-in	124 cc / 7.6 cu-in	347 cc / 21.2 cu	493 cc / 30.1 cu in	124 cc / 7.6 cu-in	124 cc / 7.6 cu-in	499 cc / 30.5 cu in	175 cc / 10.7 cu in
Bore x Stroke:	80 x 98 mm	56 x 49 mm	56 x 49 mm	70 x 90 mm	80 x 98 mm mm	56 x 49 mm	56 x 49 mm	85 x 88 mm	61.5 x 58 mm
Cooling System:	Air cooled	Air cooled	Air cooled	Air cooled	Air cooled	Air cooled	Air cooled	Air cooled	Forced air cooled
Starting:	Kick	Electric	Electric	Kick	Push	Electric	Electric	Kick	Electric
Final Drive:	Chain	Chain	Chain	Enclosed chain	Chain	Chain	Chain	Chain	Enclosed chain in oil bath
Front Brakes:	Drum	Single 280mm disc	Single 260mm disc	Drum	Drum, internal expanding	Single 300mm disc	Single 300mm disc	Drum	Drum, 127 mm diameter
Rear Brakes:	Drum	Single 220mm disc	Single 220mm disc	Drum	Drum, internal expanding	Single 220mm disc	Single 220mm disc	Drum	Drum, 127 mm diameter