J-Madd Posted October 21, 2008 Report Posted October 21, 2008 Are the cylinders from a 1997 CR250 Nikasil'd? If so, do they have to be replated, or can you bore/hone through the nikasil and leave them unplated? Finally, where would be the cheapest place to get them replated? Thanks Quote
J-Madd Posted October 21, 2008 Author Report Posted October 21, 2008 Ok. Then next question...the machine shop says that it is an aluminum cylinder (not steel). Is that ok? I'm not familiar with this at all, and this is not my bike. I'm just asking for a friend. Quote
gumby6t9 Posted October 21, 2008 Report Posted October 21, 2008 They are not plated...... Ummmm... YES they are... CR250 1997-01 66.4 66.40 PK1168 $202.76 702M06640 $155.34 2614CD S508 W5319 B1003 Pro-Lite x 67.00 PK1169 702M06700 2638CD $38.00 $15.70 Nikasil Bore 72 67.50 PK1170 702M06750 2658CD CW18 68.00 PK1171 $217.84 702M06800 $170.88 2677CD 68.50 PK1172 702M06850 2697CD Racer's Choice Sorry, poor copy / paste, but it's from the wiseco website. http://www.wiseco.com/Catalogs/Powersports...daCycleDirt.pdf Quote
Tim Potteiger Posted October 22, 2008 Report Posted October 22, 2008 I thought the reason they used the Nikasil lining was because they used a different sleeve material that you couldn't just bore/hone and run un-plated. I would consult a shop that has some experience if it were me. Most of my friends with dirt bikes have run into that issue, and ended up either re-sleeving to accommodate a normal setup, or spending the money to have them bored then re-lined with Nikasil. Quote
Onesickcrewcab Posted October 22, 2008 Report Posted October 22, 2008 I dont know if there nikasiled or not, but if they are this is where I would have them fixed http://www.mt-llc.com/ They did my cheetah cylinders, and they did a great job. Quote
lt1bird Posted October 22, 2008 Report Posted October 22, 2008 my 1997 cr500 was not....had steel liners from the factory.... in not saying the cr250 were diffrent im pretty sure they were sleeved and not plated for all those years..... Quote
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