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DID 415ERZ 415 Gold Drive Chain (144 links) – Yamaha R3

From: $94.95

 

 

DID 415ERZ Gold 415 Drive Chain, 144 links DID 415ERZ Gold 415 Drive Chain, 144 links

415 Replacement Drive Chain for the Yamaha R3 (415ERZ).  This is a replacement chain only, see our other listings for the complete 415 chain kit or sprockets.

The DID 415ERZ-144 chain has a tensile strength of 4,540 lbs and weighs only 1 lb. 15.7 oz.  This is a high-performance, lightweight, low-friction chain designed exclusively for racing.  It provides the highest wear resistance, tensile strength and impact resistance available in the lowest weight to reduce your rotating mass and improve horsepower transfer to the rear wheel.

This 144 link chain is specially made for the Yamaha R3.

***415ERZ chains include a clip style master link.  We recommend ordering a rivet style master link for a more reliable connection.

$94.95

SKU: _000018 Categories: , Brand:

Description

 

When using an 18t front sprocket, use the following as a guide for chain length:

54t – 142 links

55t – 142 or 144 links

56t – 142 links

57t – 144 links

58t – 144 links

59t – 144 links

Changing from a 520 size chain and sprockets to a 415 chain and sprockets on the R3 makes a significant performance improvement.

I specifically dyno tested this upgrade to prove the difference.  These 2 dyno runs are done back to back (about 20 minutes apart, as fast as I could pull the wheel and change the chain and sprockets) with the same bike, settings, dyno, tune, everything identical, and in the middle of the day after lots of other runs so the bike and dyno are hot.  These are each the best of 5 runs to be sure everything was even.  You can clearly see that the 415 kit improved power to the ground by .62 hp and torque by .29 ft lbs and improved performance across the entire power band.

Yamaha R3 415 kit vs 520 kit performance horsepower gain

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