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sprinter · August 6th, 2013, 07:53 AM

Supposedly the cylinders are the same as the 250R, so should allow +2mm or +4mm?? However, the Wiseco rep told me that the pistons from the 250 won't work on the 300 but they'll make 300 pistons if I send them one of mine to use for the design. So that's the plan, but I won't be able to tear it down until our track day season is over in October. If anyone else has a 300 piston available sooner, let me know and we can get it over to Wiseco to start making the kits!

August 6th, 2013, 07:53 AM	#3
sprinter ninjette.org member Name: JJ Location: USA Join Date: Jul 2013 Motorcycle(s): 2018 Ninja 400 Race Bike (in progress...) Posts: 126	Supposedly the cylinders are the same as the 250R, so should allow +2mm or +4mm?? However, the Wiseco rep told me that the pistons from the 250 won't work on the 300 but they'll make 300 pistons if I send them one of mine to use for the design. So that's the plan, but I won't be able to tear it down until our track day season is over in October. If anyone else has a 300 piston available sooner, let me know and we can get it over to Wiseco to start making the kits!