What was the capacity of a 1980 Yamaha XS 850G?
For 1980 Yamaha overbored the 750 by 3mm to achieve 826cc, and in the XS850 were able to offer a three that was fully a match for any similar-capacity four, and not a few 1000s.
Is the Hitachi XS850 a straight four car?
The 850 is virtually three-quarters of the 1,102 cc straight four as the two also share an identical 68-6 mm stroke. The XS850 boasts Hitachi constant-velocity carburettors – standard equipment on some Japanese cars, but the first occasion these fuel meters have been fitted as standard equipment to a production motor cycle.
Is the Yamaha XS750 still in use?
Such reward is no doubt one reason why the XS750 still survives, albeit in the uprated XS850 package. The luxurious XS850 offers a sensible, but in no way boring style of motor cycling; it is a cosy, physically undemanding and untiring top gear workhorse – engage fifth as low as 17 mph and you can forget the gearbox for the day.
What kind of motor does a Yamaha 850G have?
Running with 9-2 to 1 compression pistons, maximum power from the double overhead-cam motor is boosted by 12 horsepower more than the 750, to 79 bhp at 8,500 rpm. Oil consumption – 500 mpp in our last XS750E test, and one of the main bones of contention – is reduced 100 per cent on the 850 by modified oil rings. She also wears an oil cooler.
When did the Yamaha XS 850sg special start?
Four-stroke motorcycle engines began to rebreath their crankcase vapors back in ’73, and the fume-return system on the XS850 shows a determination that no wisp shall be allowed to escape into the atmosphere.
How big is the front tire on a Yamaha XS850?
Our XS850’s front tire was a 3.25 H 19, the same size as before; the new Special’s rear tire is a short, fat 130/ 90-16 Bridgestone. This shorter tire turns more revs than the 4.00-18 at any given speed and would have the engine doing likewise except for the taller gearing.
What was the displacement of a Yamaha XS750 in 1980?
And one message from the hinterlands was that the XS750 could use a little more engine displacement. “Right,” the engineers replied, and Yamaha’s XS triple got 3.5 millimeter oversize pistons for 1980, which gives the XS850 a total displacement of 826 cubic centimeters. Myriad other changes were introduced with the bore increase.
What kind of fuel does a Yamaha XS850 use?
Nor will the touring rider have to worry about the quality of the fuel that goes in the tank: the XS850 ran fine, without perceptible signs of displeasure, on high-lead, low-lead and no-lead. Air does not get to the XS850’s ultra-lean carburetors without a fight.