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Old November 11th, 2017, 08:51 AM   #5
Z1R rider
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Name: Roger
Location: Mitchell, South Dakota
Join Date: Apr 2014

Motorcycle(s): 1978 Z1R, 1999 EX250

Posts: A lot.
MOTY - 2018, MOTM - Oct '16
here's a copy and paste from an earlier post I made on tires: all are pre-gens with 16" wheels

We have 5 Ninjettes in the family and they all have different tires and I've ridden all of them on the street and 4 on the track. First let me say that they all have a different "feel" when riding, none have a bad feeling (like the stock Dunlops) just different.

Bike one has Metzeler Laser Tec 100-90 on front 130-90 on rear, this is my personal favorite on the track or the street, very stable on the straights or the corners, turns in quickly and holds it's line. It seems that the tread doesn't wrap around as far as the others as it has no "chicken strips" left on front or rear, or maybe I push harder on them because they feel good to me.

Bike two has Shinko SR740 100-80 on front and SR741 130-80 on the rear, contrary to "wiki; Shinko tires: No better than the Dunlop K630" these are a surprise!! they are good enough to take the stock forks to their limit, you can drag footpegs all day long with them, stoppies, no problem! Turn in is quicker than the Metzelers, and they feel a little bit "twitchy", but never scared me. One of the racers on a 300 was amazed when he came to our pit and saw it has Shinkos.

Bike three has Pirelli MT75s 100-80 front and 120-80 rear, turn in is quick like the Shinkos, and are a little twitchy, but no unhappy surprises. Shorter rear tire lets the pegs drag sooner than the others.

Bike four has Pirelli Sport Demon 110-90 front and 130-90 rear, turn in is a little heavier than the others but no where near as heavy as a 600 or 1000. Is stable everywhere and taller front tire gives extra cornering clearance, feels to me like it wants to stand up in the corners. Had to move the front fender up to clear the tire.

Bike five has the Pirelli Diablo Scooter tires, 100-80 front and 130-80 rear, I haven't ridden on the track with this bike, but on the street it's the only one that I've had the rear "step out" on the 1-2 shift. Might be it just needs a little more heat in it to grip good.

None of the bikes have enough miles to say which one will last the longest, the Metzeler is, by quite a bit, the most expensive of the bunch, and if past experience means anything, the rear will last around 7000 miles and the front about double that.
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