Yamaha SZ-X vs. Bajaj Discover 150 DTS-i Page – 2 ZigWheels.com

28 Feb 2015 | Author: | Comments Off on Yamaha SZ-X vs. Bajaj Discover 150 DTS-i Page – 2 ZigWheels.com

Bajaj Discover DTS-i

Yamaha SZ-X vs. Bajaj Discover 150 DTS-i

The Bajaj Discover 150 DTS-i and the Yamaha SZ-X flummoxed the entire jury at the 2010 ZigWheels Bike of the Year awards. We took them out for another round to find out why

Performance power plays

Looking at both the bikes, one would be led to believe that the SZ-X would just beat the socks off the Discover 150 when it came to performance. But this couldn’t be further from the truth. The first hints of this arrive when one glances over the engine specifications of both the bikes. The 153cc single-cylinder mill of the SZ-X, which has been borrowed from none other than its elder sibling, the FZ16, it has been tuned less for outright horsepower and more for strong mid-range torque.

On paper, the engine makes just 12.1 PS of power and 12.8 Nm of torque, which about 1.9 PS and 1.2 Nm less than what the same engine produces on the FZ16. On the other hand, the Discover’s 144.8cc engine armed with DTS-i and ExhaustTEC technology makes 13 PS of power, beating the SZ-X’s horsepower figure by a fair margin. The 12.78 Nm torque figure on the other hand is almost at par.

And when you factor in the kerb weight of both the bikes – 132kg for the SZ-X and 121kg for the Discover 150 – one realizes that the Discover scores much higher when it comes to power-to-weight ratio. Thanks to this, the Discover can make the dash from zero to 60km/h in just 5.2 seconds while the SZ-X trails behind at 5.9 seconds.

So while the story of straight line performance might be cut and dry, in-gear roll-on acceleration figures tell a different tale. We discovered in our VBOX performance test data that the run from 30km/h to 70km/h in third gear took 6.1 seconds for the Discover and 6.9 seconds for the SZ-X.

But the tables turned in higher gears where the SZ-X was faster for the same speed range, taking 7.7 seconds in fourth and 8.4 seconds in fifth, where the Discover 150 could only manage 8.6 seconds and 11.8 seconds for the same. And it is this strong in-gear acceleration that will be most handy whether you are doing your city commute or having a fun ride on twisty mountain roads.

Handling, ride and all that jazz

Bajaj Discover DTS-i
Bajaj Discover DTS-i

Almost all bikes made by Yamaha in the recent past have been excellent handlers and the SZ-X is no exception to this rule. The chassis is ultra nimble and flicking the bike around can be done with the utmost of ease. The agile handling combined with the strong mid-range performance makes the SZ-X an absolute joy to ride in any conditions.

In fact, it wouldn’t be too far fetched to say that that all of us here at ZigWheels had more fun riding the SZ-X than we ever did even on the FZ16. And even though the SZ-X doesn’t use any fancy gas-filled suspension, the ride quality is absolutely brilliant. Along with the soft and comfortable seat, the bike soaks up any bumps and undulations on the road in stride and riding on most sorts of terrain is easily manageable.

But sadly, there is a big pitfall that Yamaha didn’t overcome with this bike and that was the exclusion of a disc brake at the front, even as an option. So while the bike was mad fun to ride, we had to be extremely cautious about opening the throttle because a few hard squeezes on the front brake would leave it badly faded, after which the chances of going head first into the vehicle in front of you increase exponentially.

The Discover 150 sports NitroX gas-filled shock absorbers on the rear and offers a decent ride quality, but the seat is way too still compared to the SZ-X. So while overall, the ride experience is not so bad, it doesn’t really measure up to the Yamaha. Handling too, is quite neutral and acceptable.

This is of course a good thing as the Discover sticks to its role of commuter quite ardently. It doesn’t tempt the rider into any on-road shenanigans, making for a highly functional means of transport for getting from point A to point B, be it inside the city or outside of it. Where Bajaj does score a large number of brownie points is in the brakes department.

The 240mm disc brake at front might not have the bite of those units found in the performance-oriented 150cc bikes, it provides adequate stopping power for most conditions one might encounter on one’s daily commute.

Bajaj Discover DTS-i

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