That's the usual response from all motorcycle mechanics, they are the ones who are "experts" with every bike out there except Royal Enfields with disk breaks on rear tyres.
So far I had 5 punctures on my Thunderbird 500, including one today, those MRF Zappers are made only for tarmac, could't handle even a toothpick on even short rides on off-roads, JK.
The headache is not with the punctures, but with the mechanics refusing to fix them, of course the RE service center guys don't refuse but we