Hard shifting when warm - Page 7 - Honda Rebel Forum
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post #61 of 80 Old 10-08-2019, 06:53 PM
 
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I'm not the original poster (op?) But i think that was directed at me, no I didn't change the oil weight, I changed the oil thinking maybe the idiot shop that dod the last work on it put the wrong weight in. I put what ever the manual says for a 2006 I think it was 10w40 was the same as before never changed to 10w30 or vise versa, not sure right now. But after a couple of days ago when i realized it's ok with the engine off in 99.9% sure it's the clutch doing something. But I'm far from smart. I'll go ride it again right now with my work shoes on, report back exactly what it's doing, and how many miles it was at.

06 rebel 250 100% stock
82 vespa grande
72 honda ct90
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post #62 of 80 Old 10-08-2019, 07:46 PM
 
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Ok so me riding with my work boots on, keeping in mind my ankle, cold shifts are silky smooth and take very light pressure. Nuetral is just a bump and it's in nuetral. At 1.25 miles neutral was getting harder to find and the shifter were taking a little more effort. At 2.25 miles the shifts are taking considerable effort but il ts still shifting, neutral is impossible to find and the transmission sounds like my harley, every shift is accompanied by a nice loud clunk. Turned around at 5 miles got home at about 8.5 was still able to shift so I'm thinking when it seemed almost to bind up was more a combo of my ankle and shoes. But it remains that the shifts get harder and clunkier and thats worrying me if baby mama is on the bike


When I say my ankle I'm referring to a previous motorcycle accident that left me with a plate and about 75% loss of movement. With 2 tendons that were severed and tied off. I'm used to riding the harley and trail 90 with heel toe shifters now due to this.

06 rebel 250 100% stock
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post #63 of 80 Old 10-08-2019, 08:21 PM
 
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Sorry, yeah I meant that question for you. We had earlier been discussing trying a different weight of oil. By the way, knowing EXACTLY what brand, type, and weight of oil you are using is potentially very important to diagnosing your problem. Certain oils are known to cause issues in the Rebel transmission.


Quote:
Originally Posted by Mf11283 View Post
....When I say my ankle I'm referring to a previous motorcycle accident that left me with a plate and about 75% loss of movement. With 2 tendons that were severed and tied off. I'm used to riding the harley and trail 90 with heel toe shifters now due to this.
Ouch! And those CT90s are awesome!

.

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post #64 of 80 Old 10-08-2019, 09:13 PM
 
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It's got Castro actevo like pictured but in 10-40. I have that 10-30 for the ct 90


I dont know what it had in it before I put the Castrol in it, it was changed by century cycles in san pedro, ca but after seeing some of their previous work on this bike like the tank cleaning that now had the tank dented from the inside out. Or the trail 90 with the carb held on by 3/16 flat head screws and nuts so I wouldnt be shocked if they put 2 stroke oil in it. But it now has Castrol


Bad thing about riding a 72 ct90 is the shift pattern when I get on another bike. Its 4 down, kinda hard to get used to 1 down 4 up and that's the bike I ride the most. 88 raging cc. But 120 mpg
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post #65 of 80 Old 10-08-2019, 10:50 PM
 
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Iíll let others chime in on that oil - - I donít know anything about it. My owners manual calls for 10W-30, with no alternative weights, and thatís what I use.

Yeah, that shift pattern on the CT90 must be tricky to adapt to. I want to pick one up some day, but plan to get a a few years newer than your Ď72, when they reversed the shift pattern. That way it will be easier to switch off between bikes.

At least you donít have to use the clutch!

.

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post #66 of 80 Old 10-08-2019, 11:32 PM
 
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Well we are back to the oil 😬😬😬😬😬&#x1f 62c; I looked at owners manuals online right now they say 10w30 I swear mine says 10w40 but wont be able to look till tomorrow and the bike has 10w40 in it. I really hope it's this simple. I'll change the oil again tomorrow for 10w30 and see what happens, I was gunna ride the 90 to work I guess itll be the rebel now

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post #67 of 80 Old 10-09-2019, 10:07 AM
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Whatever you do, don't use automotive 10W-30! That stuff contains friction modifiers that will ruin the clutch. As far as the difference in weight, it shouldn't be a problem. See the oil chart in post number 8 here: https://www.hondarebelforum.com/f28/...oil-41242.html

I've run 15W-40 in my Rebels for over 50,000 miles with no problems.

Keepin' all the left over parts. Gonna use 'em to build another bike!

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post #68 of 80 Old 10-09-2019, 11:54 AM
 
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Quote:
Originally Posted by flitecontrol View Post
Whatever you do, don't use automotive 10W-30! That stuff contains friction modifiers that will ruin the clutch. As far as the difference in weight, it shouldn't be a problem. See the oil chart in post number 8 here: https://www.hondarebelforum.com/f28/...oil-41242.html

I've run 15W-40 in my Rebels for over 50,000 miles with no problems.

I've come across that oil weight chart in many threads on this forum, but never with any attribution. It is certainly a graphic that shows different oil weights that can be used in different ambient temps, but I have searched and never found any evidence that this came from a Honda Rebel manual. If anyone has something definitive that shows this came from a Rebel owners manual, please let us all know and provide a link. It would be good to know the model year of the Rebel manual, too.

As I mentioned in post #45, I am doubtful that the oil weight is his issue since this problem seems to have been on-going for quite some time. But his shifting gets more difficult as the engine warms up, so the idea was to completely rule out oil weight by switching to the spec oil. (At one point he indicated he was going to do this.) Honda has a 10W-30 motorcycle oil that is fully compatible.

.

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post #69 of 80 Old 10-09-2019, 12:42 PM
 
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Quote:
Originally Posted by VAReb View Post
I've come across that oil weight chart in many threads on this forum, but never with any attribution.

.
Oil weights from Honda 1986 service manuals for the CMX250C and CMX450C models, w/August 1987 revision pages that were added..
I see the Honda 2006 service manual doesn't show various weights

In the summer I'll run 20/50
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post #70 of 80 Old 10-09-2019, 01:01 PM
 
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Quote:
Originally Posted by SoakedKarma View Post
Oil weights from Honda 1986 service manuals for the CMX250C and CMX450C models, w/August 1987 revision pages that were added..
I see the Honda 2006 service manual doesn't show various weights

In the summer I'll run 20/50
That is good stuff, thanks! Are those Honda oem service manuals, or aftermarket?

I am on my phone now and don’t have my reading glasses, but it looks like that 2006 service manual specs 10-40? And it also shows a lower oil capacity than my owners manual! Edit: Nope, same capacity - - I was reading the liters quantity.

Fyi, Despite what my manual says, I am planning to use 10-40 next summer.

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