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94 CR 250 Ground Up Restoration IMS Wide Ratio Transmission Issue
I have been working on this restoration for about 18 months gathering parts. I am in mid assembly and I ran into a problem with installing the IMS Wide Ratio Transmission. I have a thread on another forum and some of the GG members already know about it. I have 4 of the 5 IMS gears installed without any problems at all. (2 on the mainshaft and 3 on the countershaft). The problem is the last C3 gear on the countershaft fits perfectly but the I.D. of the gear (with the bushing) is too big for the shaft. Any suggestions would be greatly appreciated.
This is the countershaft,the bigger gear is the stock Honda gear and the other gear is the IMS gear. Note the stock Honda bushing(collar)inside the IMS gear. Between C3 and C5 it is a bushing that rides inside C3, there are also a single washer on each side of C3. There isn't a spacer. The I.D of replacement gear is 24.98. The bushing(collar) O.D is 21.99 and the Bushing(collar) I.D is 18.99.I have attached photos showing the replacement gear loosely positioned on C5 without any collar so you could see the gap between gear and countershaft. I also included photos of C3 and C5 which show witness marks that they were previously mounted together. C3 and C5 seem to fit together perfectly except for the bushing(collar).
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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; 07-19-2017 at 10:16 AM. Reason: Spelling |
#2
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photos to be reposted.
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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; 07-19-2017 at 10:18 AM. |
#3
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This what she looked like when I picked her up about 18 months ago.
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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; 03-13-2021 at 07:15 PM. Reason: Resize image and replace photobucket images |
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And this is what she looks like now,
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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; 03-13-2021 at 07:16 PM. Reason: Replace photobucket image |
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And the garage beer fridge
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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; 07-19-2017 at 10:19 AM. |
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Very nice work , super clean. what about the tank?
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'12 XC 200 TTX Sold '15 XC 250E Sale pending |
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Nice project.
Be sure to grind the paint off the frame at the motor mounts. |
#8
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Does the large bore of the suspect gear fit on any other shaft steps? If it's not supposed to go somewhere else, maybe the wrong gear was put in the kit.
If all else looks correct (except for the bore), a machine shop could do up a bronze bushing to press into the gear. Aluminum bronze would be tough enough to survive.
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2011 EC250E |
#9
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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 |
#10
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Thank you. I purchased a 3.1 gallon IMS natural tank from Chapmoto that should be shipped on 2-15.
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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 |
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