Wednesday 9 November 2011

Modifying the rear of the Yamaha R15 V2.0 on the Original R15 might not be possible


Is it possible to put the wide rear tyre of the new R15 V2.0 and the split seats on the old R15?
Proper proportions or the lack of it draws the line between “Attractive/Ugly”, “Sexy/Plain” etc. For example, “36-24-36” rings a bell in your mind, right?
Yamaha R15 Version 2.0
Yamaha R15 Version 2.0
The human brain is sensitive to something that seems to be out of proportion. Imagine a guy with an upper body like Arnold Schwarzenegger but legs like Rajpal Yadav. Despite the never before seen “full fairing” on an affordable bike in India, I had to put the original Yamaha R15 in my “Top 10 not so good looking bike of India”.

So is it possible to modify the older R15’s rear with the current R15 V2.0?

Yamaha has more than redeemed itself by revamping the rear of the new R15. Now the Yamaha R15 V2.0 finds place in my list as one of the best looking bikes of India.


First, lets see what different in terms of proportions at the rear of the new Yamaha R15 Version 2.0
    1. 130 section rear tyre compared to the 100 section on the older one
    2. Longer wheelbase (1345 mm Vs 1290 mm) due to a new aluminum swingarm
    3. Raised split seat compared to the flatter single piece seat
Yamaha R15 'Original'
Can the 130 section rear tyre from the R15 Version 2.0 be fitted on the older R15?

The fatter and bigger wheel would require a change in the swingarm, and even if the new aluminum swingarm is somehow installed there is more probability that the handling of the bike would go for a toss due to the altered geometry.

Also along with the new tyre and swingarm, the R15 Version 2.0 also gets different sized sprockets and a new ECU which has been timed for slightly better throttle response.

Therefore it’s definitely not advised to fit the new fatter tyre of the R15 V2.0 on the older R15.


Can the raised split seats of the R15 Version 2.0 be fitted on the older R15?
Changes: Yamaha R15 Version 2.0 Vs Original R15
[Photo source: xBhp.com]
To fit the new raised and split seats, the chassis of the new R15 Version 2.0 gets a new sub-frame. As can be seen in the above photo, the older sub frame won’t provide the support for the newly designed seats of the new R15 Version 2.0.

Therefore one would need to fit the new sub frame to achieve the desired effect on an older R15.


My take:

The cost and the risk of not getting the mod job correct doesn’t justify the trouble of getting the modification done. In case someone needs the revamped rear of the R15 badly, then it would be product to sell the older R15 and buy the new R15 Version 2.0 instead.

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