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#1
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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, 1984 RM 250 E, 2022 Ranger 300 "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 "I think best when I have a wrench in my hands." Soichiro Honda "Dreams are messages from the deep." -Unknown Sardaukar |
#2
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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, 1984 RM 250 E, 2022 Ranger 300 "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 "I think best when I have a wrench in my hands." Soichiro Honda "Dreams are messages from the deep." -Unknown Sardaukar |
#3
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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 GG '14 TXT250 GG '? 496 CPI Cheetah RZ/RGV hybrid '22 765 Street Triple RS '21 XTrainer '69 Stinger T125 Suzuki '23 TRS 250RR (it's a Trials thing) |
#4
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Quote:
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, 1984 RM 250 E, 2022 Ranger 300 "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 "I think best when I have a wrench in my hands." Soichiro Honda "Dreams are messages from the deep." -Unknown Sardaukar Last edited by Moto7man; 03-14-2018 at 11:19 AM. |
#5
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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 GG '14 TXT250 GG '? 496 CPI Cheetah RZ/RGV hybrid '22 765 Street Triple RS '21 XTrainer '69 Stinger T125 Suzuki '23 TRS 250RR (it's a Trials thing) |
#6
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Quote:
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2011 GG EC 300E, 1994 CR 250R, 1984 RM 250 E, 2022 Ranger 300 "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 "I think best when I have a wrench in my hands." Soichiro Honda "Dreams are messages from the deep." -Unknown Sardaukar Last edited by Moto7man; 03-14-2018 at 02:51 PM. Reason: spelling |
#7
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FYI. Just watched a video of DIY ceracote.
https://youtu.be/90bGRCKvQDo Sent from my iPhone using Tapatalk |
#8
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Quote:
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2011 GG EC 300E, 1994 CR 250R, 1984 RM 250 E, 2022 Ranger 300 "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 "I think best when I have a wrench in my hands." Soichiro Honda "Dreams are messages from the deep." -Unknown Sardaukar |
#9
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I cleaned the rust out of the barrel with a scotchbrite pad. It doesn't look took bad but there is some pitting in the bottom 1/4 of the barrel. Will a hone take this out this pitting or do we need to bore the liner to .25 over to the 1st oversize piston?
Also, the piston only has an arrow on top (to be installed point to the exhaust port) and a number "3" stamped inside the skirt. I took a measurement of the piston and it was 69.900 which is close to the service limit for a std bore piston and the ring end gap was right at the the .85 ring end gap service limit. * Does the #3 on the piston mean it is a std size piston within the production limits, like A;B;C marked pistons for niksail cylinders or is it something else?
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2011 GG EC 300E, 1994 CR 250R, 1984 RM 250 E, 2022 Ranger 300 "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 "I think best when I have a wrench in my hands." Soichiro Honda "Dreams are messages from the deep." -Unknown Sardaukar |
#10
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Can you get a close up shot of the top of the piston.Any numbers stamped in it?
If that's a legit service manual then everything you need to know is in it. Should give you the numbers for the bore and how to check that the bore is true and in spec |
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