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DannoXYZ · June 4th, 2020, 08:29 PM

Engine-rebuilding requires quite a bit of experience and skill. Extremely easy to make mistake and destroy engine after all that hard work (~20-50hrs to rebuild). It's just not swapping parts, requires lots of precision measuring and machining.

Look on Craiglist and eBay, 250 engines come up regularly. You can even set up automated searches on both that will send you alert when one comes up. eBay search shows about 60+ engines ready to go.

Also check local junkyards within driving distance. There's some sort of website somewhere with junkyards listing their inventory that you can search.

I seriously planned a Banshee engine-swap. Would be a waste to fabricate all mounts for Banshee engine and stuff it into such heavy frame. Then chose to build custom-frame for it (with Ninja 250 bodywork of course). For the effort, I can get 50-lb savings over factory frame.

June 4th, 2020, 08:29 PM	#3
DannoXYZ ninjette.org certified postwhore Name: AKA JacRyann Location: Mesa, AZ Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot. MOTY - 2018, MOTM - Nov '17	Engine-rebuilding requires quite a bit of experience and skill. Extremely easy to make mistake and destroy engine after all that hard work (~20-50hrs to rebuild). It's just not swapping parts, requires lots of precision measuring and machining. Look on Craiglist and eBay, 250 engines come up regularly. You can even set up automated searches on both that will send you alert when one comes up. eBay search shows about 60+ engines ready to go. Also check local junkyards within driving distance. There's some sort of website somewhere with junkyards listing their inventory that you can search. I seriously planned a Banshee engine-swap. Would be a waste to fabricate all mounts for Banshee engine and stuff it into such heavy frame. Then chose to build custom-frame for it (with Ninja 250 bodywork of course). For the effort, I can get 50-lb savings over factory frame.