BAJAJ DISCOVER DTSi Road Test by Dilip Bam

PERFORMANCE

For performance testing, the actual riding was done by one time racer, Bhardwaj Jadhav (age 21, height six-foot-one-inch, weight 75 kg), who I know since we did K2K on Kinetic Nova a year ago. Braking distance from sixty to dead stop was 14.6 meters. My method for measuring braking distance is to attain a speed of steady sixty kph, and when the front tyre touches a prominently drawn (on the road surface) bright clearly visible line, press both brakes (as in panic braking), lock both wheels and skid to a dead stop. Top speed I could do on this bike (full throttle) was 90 kmpH. Acceleration zero to sixty was measured at 9.5 seconds. Since there is a built-in human error of @ one second in my rudimentary method, the actual figure would be closer to 8.5 seconds.

I also checked out the blue Ride Control Switch (which is at RH switch assembly on handlebar). It is a purely mechanical device in which there is a single weak (click) impediment to the twist motion of the throttle, which one can feel if one is mentally conscious about it and looking for it. I came to know about it only after reading the owners manual. Before that I just could not make out what was the principle behind it.

FUEL CONSUMPTION

I did fuel consumption tests on TWO different Discover bikes. The first bike (MH.12.CN.5505) was almost brand new, done only 700 km, while the second bike had done 2800 km and two free services had been done.
NOTE: Following abbreviations have been used:--
GCs===Gear Changings
Brkgs==Brakings

Fuel consumption on MH.12.CN.5505 was as below.


S.No Driving / Traffic / Road Conditions Distance Covered (km) Fuel Consumed (litres) Fuel average (kmpL)
1 Heavy traffic. 14 GCs & 9 Brkgs. Complete stop at one traffic light. Engine off. Self-start and move. Half the journey @ 20-25 kph and later upto max 55. Tried to stay in as high gear as possible. 4.3 0.0880 48.9
2 Steady 40. Only one Brkg & one GC to second. 3.5 0.0410 85.4
3 High speed up to 75. Mostly above 60. Two Brkgs & GCs 4.1 0.0775 52.9
4 Normal traffic. Up and down slope. Three stops. Eight brakings & 10 gear changings. 7.8 0.1425 54.7
5 OVERALL TOTAL 19.7 0.3490 56.5

NOTE: In this test, I tried to see if keeping Ride Control Switch ON (==RC on) and keeping it OFF (RC off) made any difference to mileage figures.

Following abbreviations have been used

RC off==Ride Control switch is OFF.
RC on==Ride Control switch is ON.

Fuel consumption on MH.12.CN.6376 was as below.
S.No Driving / Traffic / Road Conditions Distance Covered (km) Fuel Consumed (litres) Fuel average (kmpL)
1 RC off. Heavy traffic. Rode 50 meters in 2nd. Then speed @ 20 kph for first 2 km in which once rode five metres in 1st & then up to 55 kph for the next 2.3 km. 22 GCs. 24 Brkgs. 4.3 0.0800 53.8
2 RC off. Speed almost steady 40-45. Two GCs to 3rd. Once accelerate to 45 to overtake. 2.70 0.0365 74.0
3 RC on. Normal traffic. Speeds up to 50. Three Brkgs & GCs. 3.10 0.0500 62.0
4 RC on. Went 1.7 km at almost steady 40, change to 2nd, made U-turn and came back to starting point. 3.45 0.0550 62.7
5 RC off. Did exactly same trip in conditions as at 4.above with RC off. 3.45 0.0550 62.7
6 RC off. Normal traffic. Speeds up to 50. Thrice accelerate to overtake. Nine GCs. Seven Brkgs. 6.40 0.0950 67.4
7 RC on. Normal traffic. Speeds up to 50. Twice accelerate to overtake. Seven GCs and eight Brkgs. 3.40 0.0540 63.0
8 Overall Fuel Average 26.80 0.4255 63.0

As can be seen from readings 4 and 5 above, the the use or non-use of Ride Control Switch made no difference. Also, the newer bike, MH.12.CN.5505, gave an overall mileage of 56.5 kmpL, while the older bike MH.12.CN.6376, gave an overall mileage of 63 kmpL. Since rider (Dilip Bam) was same on both tests (which means same driving style), and road conditions were also same (both tests were done on the same road at the same time), the difference in mileage figures is because of the condition and state of tuning of the two different bikes.


NOTE

All tests done with ordinary GREEN petrol with no additives.

CONCLUSION

If you want to upgrade yourself from the Laborer class (100 cc) to the Middle Class, then Discover is a good choice. It currently offers three options.
<1> KS version with bright 60/55 watt headlight, drum brakes on both wheels & spoked wheels, on-road Pune @ Rs.44,680/-.
<2>ES version with poor 35 watt headlight, drum brakes on both wheels & spoked wheels, on-road Pune @ Rs.47,555/-.
<3>ES version with poor 35 watt headlight, front disc brake and rear drum, and mag-alloy wheels, on-road Pune @ Rs.53,165/-.

Version <3> above appears FULLY LOADED, but is NOT. My wish for fully loaded is version <3> above WITH 60/55 watt headlight with better beam quality.
I want mag-alloy wheels for style, it is there. I want ES for convenience, it is there. I want disc brake to stop me from going where I don’t want to go, it is there. But I also want to clearly see where the hell I am going at night. Hell, half the time on Earth is in darkness! Why not give 65/55 watt headlight with good beam quality in version <3>?

I would be happy to pay Rs.1000/- extra for it. Or even Rs.2000/-.
What’s a couple of thousand when it is a question of life and death at night?


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Author: Dilip Bam
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