Rebel 250 fixes - Honda Rebel Forum
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post #1 of 16 Old 07-05-2019, 12:11 PM Thread Starter
 
Join Date: May 2019
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Rebel 250 fixes

Hello,


Just got ourselves an 88 Rebel 250. As some know, I have a Rebel 450 for myself and was determined to find a Rebel for the wife. We're happy, found a Rebel that has been sat a few years. Has a few issues as expected.


There a little oil seapage from where the clutch cover seals to engine. I will take pic of this tomorrow for suggestions.


What type of battery do I need so I can source one?


I also need mirrors. They were missing, but I can buy some generic mirrors to fit. That's fine.


Rear tyre was a bit flat, again expected. Hopefully it just needs blowing up!



Couldn't start it unless I rolled her down a hill a little and dropped out the clutch. As mentioned I am expecting the battery to be toast or at least need a charge after so many years.


The carb no doubt needs cleaning too. With the choke on the rpms were really high, sounded spluttery so will take the old fuel old, clean up in tank, put in an inline filter, clean carb.


Looking forward to this.


So tomorrow we bring it back then I can start going over the bike. Will take some pics tomorrow.


What is the recommended oil for a 250? and if I can use it in my 450 I will buy extra.



Any advice appreciated.

--------
1986 Rebel 450, a little bit bobbed here and there!
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post #2 of 16 Old 07-05-2019, 02:26 PM
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Get a Yuasa AGM battery. Only a dollar or two more than low quality batteries, never have to add water, and they last a loooong time.

Not sure if they add friction modifiers to oil in the Netherlands or not. If they do, avoid them like the plague as they will cause the clutch to slip. See post #8 in this thread for 250 oil recommendations: https://www.hondarebelforum.com/f28/...oil-41242.html

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

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
Here's how: https://www.hondarebelforum.com/f19/...re-121087.html
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post #3 of 16 Old 07-06-2019, 03:54 AM Thread Starter
 
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Thanks Flite. I'll buy a 4l jug of Castrol, that way I can do my bike too.


The oil leak, I have a feeling it's probably the crank seal. Can these flywheels be pulled without a puller by some other rig? Otherwise I will have to source a puller from somewhere.


That being said, we pick up the bike today so I'll check it over first and see for sure where the leak is coming from as it might be running down from valve cover too.


The threads on the mirrors, are they m10? I can then order some generic bike mirrors.

--------
1986 Rebel 450, a little bit bobbed here and there!
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post #4 of 16 Old 07-06-2019, 08:26 AM
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Mirrors are 10mm. The flywheel "puller" is just a jacking bolt 16mm X 1.5 thread pitch. Tighten the bolt, whack the head with a hammer several times, tighten and repeat as necessary. The bolt and blows break the tight friction fit. Using standard pullers will often warp or break the flywheel. A bearing supply store probably has that seal for less than Honda charges for it.

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

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
Here's how: https://www.hondarebelforum.com/f19/...re-121087.html
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post #5 of 16 Old 07-06-2019, 04:46 PM Thread Starter
 
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Well, the guy found the old mirrors so we are good to go.


Getting absolutely no power to anything. No lights, won't start unless we push start. I am unsure if the key ignition is the original, it only has two clicks/turns. Nothing like my 450.


I put across a avo gauage, I am getting 11.5v from the battery.


It rained tonight so I couldnt really do much but tomorrow I hope to take a proper look. Before I buy a new battery, anything else I should check? I don't know much about the original 250s.


Thanks

--------
1986 Rebel 450, a little bit bobbed here and there!
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post #6 of 16 Old 07-06-2019, 06:09 PM
 
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Quote:
Originally Posted by maritimesbob View Post
Well, the guy found the old mirrors so we are good to go.


Getting absolutely no power to anything. No lights, won't start unless we push start. I am unsure if the key ignition is the original, it only has two clicks/turns. Nothing like my 450.


I put across a avo gauage, I am getting 11.5v from the battery.


Thanks
You have a dead battery! Battery voltage should be 12.5-13.5 volts. The 250 Rebels are one of the few vehicles still left on the roads that will run without a battery.

The 2 positions for a 250 key are correct.

MC.com ruined this forum

Silver '86 450
Black '00 250
Red '07 250
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post #7 of 16 Old 07-06-2019, 07:30 PM
 
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Also note that the battery discharges when the engine idles normally. I've killed one battery 'cos I made too many short trips when I first got the bike. It wants to be ridden!


On my 250, with the enricher engaged, that high idle kicks out about 14.2v. I would recommend you check your alternator is working too before putting a new battery in there.

1986 Rebel 250 / N. California
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post #8 of 16 Old 07-06-2019, 07:49 PM
 
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Originally Posted by leebrown66 View Post
Also note that the battery discharges when the engine idles normally.

That's good to know. I haven't personally had a problem with that, but now I'm curious...I wonder if going to an LED headlight would sufficiently unload the alternator as to let the battery charge a bit. I suspect it's the primary load on the system, there's not exactly much else. Maybe I'll experiment a bit. Not that any amount of decreased load would solve the issue of needing to recover the charge lost by cranking the engine.

'09 Rebel 250
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post #9 of 16 Old 07-06-2019, 08:15 PM
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Never seen a 1988 Rebel, as they weren't available in North America that year. If the year is correct, it probably has a sealed beam headlight, which isn't very bright. Several members here have installed Beamtech h4 replacement bulbs in our Rebels that came equipped with h4 bulbs (2002 and later models, IIRC). Lots of light, and only 25 watts.

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

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
Here's how: https://www.hondarebelforum.com/f19/...re-121087.html
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post #10 of 16 Old 07-06-2019, 09:23 PM
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Looking at improving the headlight on my stock 2005 Rebel 250... thanks for your recommendation of the Beamtech H4. Is it the fan-less model that has been used with success, and has anybody reported success with the 30W more powerful bulb? Wondered about the heat dissipation from that one. Thanks, again.

'05 Rebel 250, my first motorcycle, at age 72.
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