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  #1  
Old 03-13-2018, 11:47 AM
Moto7man Moto7man is offline
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Default 84 RM 250 E Ground UP Full Restoration

Here I go again with another restoration. I always liked the Suzuki RA and RH Works bikes and the 1984/1985 RMs were the production copy of those bikes.

I just had this 84 shipped in last night. This bike was parked in a garage in 1991 and never touched for 26 years! Besides the surface rust, she is an original stock bike. This will be a slow build.









Drum Brakes


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2011 GG EC 300E, 1994 CR 250R and 1984 RM 250 E

"If you stop eating donuts you will live 3 years longer. It's just 3 more years that you want a donut."
―Comedian Lewis Black
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Old 03-13-2018, 11:51 AM
Moto7man Moto7man is offline
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Piston rings are stuck in the cylinder. Look at the wild design of the frame tubes.


Original old school Fox and Cycle News stickers.


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2011 GG EC 300E, 1994 CR 250R and 1984 RM 250 E

"If you stop eating donuts you will live 3 years longer. It's just 3 more years that you want a donut."
―Comedian Lewis Black
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Old 03-13-2018, 02:07 PM
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(F5) (F5) is offline
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Kewl. From distant memory as a teenager I remember the Z was supposed to be s ripper (or was it the D?) And the next year was panned as being flat. DirtBike did an article showing the only diff was the cylinder head and either skimmed and or reshaped it like the previous year. Where that leaves the E. . .
Just a thought. Cool bike.
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'07 EC300
496 CPI Cheetah RZ/RGV hybrid
675 Street Triple R
RS125 framed MB100 racer
Stinger T125 Suzuki
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  #4  
Old 03-14-2018, 11:05 AM
Moto7man Moto7man is offline
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Quote:
Originally Posted by (F5) View Post
Kewl. From distant memory as a teenager I remember the Z was supposed to be s ripper (or was it the D?) And the next year was panned as being flat. DirtBike did an article showing the only diff was the cylinder head and either skimmed and or reshaped it like the previous year. Where that leaves the E. . .
Just a thought. Cool bike.
Thanks for the input! I have the January 1984 issue of Dirtbike with the test on this bike. They said the stock 36 mm mikuni carb was way too small. They went to a 38mm and even a 40mm. I'm probably going to install an 38mm Air Striker II like on my honda build.

Btw, the bike feels light, its listed at 225 pounds with one gallon of fuel.
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2011 GG EC 300E, 1994 CR 250R and 1984 RM 250 E

"If you stop eating donuts you will live 3 years longer. It's just 3 more years that you want a donut."
―Comedian Lewis Black

Last edited by Moto7man; 03-14-2018 at 12:19 PM.
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Old 03-14-2018, 01:04 PM
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Heck i remember that. 36mm what a tiny carb to put on a 250 with some picture of a hairy dude looking like some clueless hairy dude with a couple if carbs. Or maybe that was their jetting article. I was a clueless teenager who was probably at the right level to read those articles.
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'07 EC300
496 CPI Cheetah RZ/RGV hybrid
675 Street Triple R
RS125 framed MB100 racer
Stinger T125 Suzuki
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  #6  
Old 03-14-2018, 03:50 PM
Moto7man Moto7man is offline
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Quote:
Originally Posted by (F5) View Post
Heck i remember that. 36mm what a tiny carb to put on a 250 with some picture of a hairy dude looking like some clueless hairy dude with a couple if carbs. Or maybe that was their jetting article. I was a clueless teenager who was probably at the right level to read those articles.
Me too, I was about 18 when that magazine came out. The 40mm carb they tried was a Magnesium Bing with a 65 pilot, 284 needle,210 main,180 slide,6L needle. With the Bing carb and Boyesen reeds they said the performance was "fantastic' and it was more than a match for the CR250.
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2011 GG EC 300E, 1994 CR 250R and 1984 RM 250 E

"If you stop eating donuts you will live 3 years longer. It's just 3 more years that you want a donut."
―Comedian Lewis Black

Last edited by Moto7man; 03-14-2018 at 03:51 PM. Reason: spelling
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  #7  
Old 03-16-2018, 12:22 PM
Moto7man Moto7man is offline
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Last night, I pulled the tank and seat off.


Look what I found under the tank....


It seems she really has been sitting for a LONG TIME.
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2011 GG EC 300E, 1994 CR 250R and 1984 RM 250 E

"If you stop eating donuts you will live 3 years longer. It's just 3 more years that you want a donut."
―Comedian Lewis Black
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Old 03-16-2018, 12:31 PM
Moto7man Moto7man is offline
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Ok, back to the inspection. The bike seems to be very original. There doesn't to be anything missing or anything fouled up by screwball maintenance. Its simply neglect.
The floater linkage is complete, intact, very smooth and works very nice.




Original silencer



Original pipe, it doesn't seem to have any damage.
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2011 GG EC 300E, 1994 CR 250R and 1984 RM 250 E

"If you stop eating donuts you will live 3 years longer. It's just 3 more years that you want a donut."
―Comedian Lewis Black

Last edited by Moto7man; 03-16-2018 at 02:58 PM. Reason: Grammer
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  #9  
Old 03-16-2018, 12:43 PM
Moto7man Moto7man is offline
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The piston is stuck. I drained the coolant, it was very clean and the rads were full, no oil and no leaks. Rads look good too. Tonight I am going to remove the head and put some Kano Aerokroil Penetrating Oil in the intake and exhaust ports and the piston. I looked at the piston through the exhaust port, it looks good,no damage, just a dusting of a small amount of rust.




Here is what I am finding on most of the bike, there is a mixture of red clay and rust on the exposed bolts but the inner parts of the bolts look new.


I am going to cover the ports and clean the whole bike.
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2011 GG EC 300E, 1994 CR 250R and 1984 RM 250 E

"If you stop eating donuts you will live 3 years longer. It's just 3 more years that you want a donut."
―Comedian Lewis Black
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  #10  
Old 03-17-2018, 04:37 AM
slodrew slodrew is offline
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Default I saw this after looking over your post..

https://slo.craigslist.org/mcy/d/dir...531466066.html
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