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Re: Building a 1988 Suzuki RM250 engine

Posted: Tue Oct 27, 2015 12:00 am
by Sandblaster
More clean up
Before:
OEM-CYCLE.COM 1988 RM250 ENGINE REBUILD 123.JPG
OEM-CYCLE.COM 1988 RM250 ENGINE REBUILD 123.JPG (111.17 KiB) Viewed 8788 times
After:
OEM-CYCLE.COM 1988 RM250 ENGINE REBUILD 122.JPG
OEM-CYCLE.COM 1988 RM250 ENGINE REBUILD 122.JPG (91.88 KiB) Viewed 8788 times

Re: Building a 1988 Suzuki RM250 engine

Posted: Wed Nov 04, 2015 9:02 pm
by Sandblaster
Got the rod kit in... Nice!
OEM-CYCLE.COM 1988 RM250 ENGINE REBUILD 124.JPG
OEM-CYCLE.COM 1988 RM250 ENGINE REBUILD 124.JPG (151.36 KiB) Viewed 8783 times

Re: Building a 1988 Suzuki RM250 engine

Posted: Wed Nov 25, 2015 12:46 am
by Sandblaster
Got the crank split and it is now ready for clean up and some polish..
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 121.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 121.JPG (107.07 KiB) Viewed 8771 times

Re: Building a 1988 Suzuki RM250 engine

Posted: Tue Dec 01, 2015 10:25 pm
by Sandblaster
We should make Millennium happy with this order..
Remove sleeve, weld, install new sleeve, port match and grind the deck to clean up.
Rebuild the crank using a IMS Pro rod...
We even Vapor blasted the parts so that they would be nice and clean for them to work on :D
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 122.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 122.JPG (69.64 KiB) Viewed 8751 times

Re: Building a 1988 Suzuki RM250 engine

Posted: Wed Dec 09, 2015 9:19 pm
by Sandblaster
More clean up and paint test..
Vapor blasted but since it is made from Magnesium you can't leave it unpainted or your asking for trouble.
We used VHT Engine Paint SP134 Ford Light Blue.
Painted the inside and bakes at 200f for an hour.
Then we let it cool and painted the outside and baked it again for another hour.
Turned out pretty good.
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 123.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 123.JPG (39.83 KiB) Viewed 8739 times
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 124.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 124.JPG (64.86 KiB) Viewed 8739 times

Re: Building a 1988 Suzuki RM250 engine

Posted: Mon Dec 28, 2015 9:14 pm
by Sandblaster
Lapping and prepping the cases..
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 125.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 125.JPG (150.41 KiB) Viewed 8731 times
Ready for main oil passage porting and entry clean up.
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 126.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 126.JPG (64.99 KiB) Viewed 8731 times
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 127.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 127.JPG (94.28 KiB) Viewed 8731 times

Re: Building a 1988 Suzuki RM250 engine

Posted: Wed Jan 06, 2016 11:55 pm
by Sandblaster
Almost ready for paint...
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 133.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 133.JPG (136.04 KiB) Viewed 8705 times
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 132.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 132.JPG (136.39 KiB) Viewed 8705 times
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 131.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 131.JPG (113.23 KiB) Viewed 8705 times
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 130.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 130.JPG (133.41 KiB) Viewed 8705 times
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 134.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 134.JPG (84.8 KiB) Viewed 8705 times

Re: Building a 1988 Suzuki RM250 engine

Posted: Sun Jan 10, 2016 10:56 pm
by Sandblaster
These look good but didn't pass inspection..
Found some wrinkles :evil:
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 135.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 135.JPG (68.89 KiB) Viewed 8701 times
These are good to go.
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 136.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 136.JPG (152.09 KiB) Viewed 8701 times
Hopefully we will get assembly started this week :o

Re: Building a 1988 Suzuki RM250 engine

Posted: Fri Jan 15, 2016 11:56 pm
by Sandblaster
Starting to port the cylinder.
Here is what we are starting with.
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 140.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 140.JPG (47.88 KiB) Viewed 8700 times
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 141.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 141.JPG (56.33 KiB) Viewed 8700 times
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 142.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 142.JPG (41.32 KiB) Viewed 8700 times
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 143.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 143.JPG (37.02 KiB) Viewed 8700 times
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 144.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 144.JPG (39.36 KiB) Viewed 8700 times

Re: Building a 1988 Suzuki RM250 engine

Posted: Thu Jan 21, 2016 9:45 pm
by Sandblaster
We are having a rough time finding a inner clutch hub in good condition.
This is the best of 4 that we have available.
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 145.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 145.JPG (102.83 KiB) Viewed 8681 times
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 146.JPG
1988 RM250 ENGINE REBUILD WWW.OEM-CYCLE.COM 146.JPG (108.67 KiB) Viewed 8681 times
But we have something in mind to make this a bit easier to shift :-)