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Author Topic: 1997 BMW F650 ST Bluebird - Repair, maintain, ride.  (Read 9247 times)

Offline advCo

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Re: 1997 BMW F650 ST Bluebird - Repair, maintain, ride.
« Reply #70 on: Mar 29, 2019, 09:35:59 »
So I've been having a puddle under the bike since I took my last ride before the new year, I thought I had a slight oil leak and had been seeing a few drips here and there. When I got back I noticed a lot more fluid under there and upon further investigation, found it was coolant. Been so busy with the Bus and other projects that I haven't felt like messing with it until yesterday.

 I dried everything off and checked all the hoses, they were dry. Felt around under the thermostat and got some moisture from the seal behind the thermostat. Drained the cooling system, pulled the thermostat and tightened up the bolts behind it, they were pretty loose. Wondering if they loosened up from heat cycling?

Anyways I refilled the cooling system and purged all the air, reinstalled the tank and she fired right up. Put a bit of cardboard underneath and I'll check today after work to see if there's any more drips.

There's fork oil all over the front brake rotor, I've known the seal has been gone for a while but I finally bit the bullet and ordered fork seals, front and back pads. Debating whether to do chain and sprockets now or wait until after the season, sprockets still have a good bit of meat on them.

Also, something thats been bugging me for a while is the sticking odometer. The trip works fine but the odometer will stick and only work intermittently. I think I'm going to have to pull the speedo and clean and grease it and make sure nothing is stripped out or broken.

Offline JustinLonghorn

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Re: 1997 BMW F650 ST Bluebird - Repair, maintain, ride.
« Reply #71 on: Mar 29, 2019, 09:54:11 »
Soon you will be back in the wind.
I'm going to eat your brains and gain your knowledge.

Into The Sunset, CB750 build

TT500 the Animal

Offline advCo

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Re: 1997 BMW F650 ST Bluebird - Repair, maintain, ride.
« Reply #72 on: Apr 11, 2019, 11:31:20 »
So this happened. Torn down for fork seals (check out the front brake pads), brakes and fluid flush, and chain and sprockets.

Rear tire is at about 60% I could replace it but I think I’ll get the rest of the mileage out of it.

I think I figured out that my oil leak is coming from the return hose from the OIF tank, those crappy worm gear clamps finally wore through the rubber, so I think I will replace the entire hose and better clamps.

Going to replace the coolant lines and clamps while I’m at it.

To do list:
-replace fork seals/dust covers. Fill with oil
-clean calipers and replace pads
-bleed brakes
-replace chain and sprockets
-replace oil lines
-replace coolant lines, re fill with coolant.
-re torque head
-clear out tank filler drain line
-install new grips
-remove clock and replace with VM and USB port
-clean and grease speedo/odometer
-replace bulbs with LEDs, possibly headlight
-mount panniers

Offline Jimbonaut

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Re: 1997 BMW F650 ST Bluebird - Repair, maintain, ride.
« Reply #73 on: Apr 11, 2019, 12:40:32 »
Man I like this bike.  In eschewing the beak, the front end has an Africa Twin vibe which is a great thing in my book.  Once you tick off that to-do list mate you'll be tearing strips off the Texas highways and byways in style.
"I'm telling you Donnie, nuthin' but nuthin' but right"

Offline irk miller

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Re: 1997 BMW F650 ST Bluebird - Repair, maintain, ride.
« Reply #74 on: Apr 11, 2019, 19:39:37 »
So this is what they look like stock.  LOL.  Jealous of the impending ride.

Offline clem

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Re: 1997 BMW F650 ST Bluebird - Repair, maintain, ride.
« Reply #75 on: Apr 12, 2019, 14:40:28 »
You're really not playing around with this thing. Very clean bike for the price.

Sent from my SAMSUNG-SM-G930A using DO THE TON mobile app

"After every war there are soldiers who refuse to surrender. To this day there are still thousands who cling to their 30+ year old motorcycles, thinking that the war is still on, refusing to concede that the four-strokes have won"

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Offline advCo

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Re: 1997 BMW F650 ST Bluebird - Repair, maintain, ride.
« Reply #76 on: Apr 17, 2019, 14:14:21 »
Front and rear pads done. Rear sprocket replaced but need to get some new Nyloc nuts for it. Once I get the wheel back on I can bleed the brakes and final torques on all that good stuff.

Waiting on new crush washers and fork oil to button up the forks but the seals are done.

Made an acrylic plate I’m going to use inside the top case to bolt it down to the rear rack. Might need some longer bolts and fender washers. Going to wait to mount it until it’s on the ground and we can both sit on the bike. I don’t want to mount it too far forward that it sucks tor a passenger.

The odometer has been sticking since I got the bike and there were some notes in the service history about it. The tripometer works fine so I ruled out the cable, lower housing and gearbox inside the speedometer. Disassembled the speedo and found a couple of buggered up gears on the odometer ticker.   The actual plastic gear on the ticker had a couple teeth missing to the point where it’s not catching and that must be causing it to miscount. I’m hoping to get a replacement before the ride.

Offline Maritime

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Re: 1997 BMW F650 ST Bluebird - Repair, maintain, ride.
« Reply #77 on: Apr 17, 2019, 15:38:46 »
Might as well reset to 000000. Start fresh. ;D
The GL Rebirth: http://www.dotheton.com/forum/index.php?topic=68337.0
CX500 Low budget Bobber : http://www.dotheton.com/forum/index.php?topic=43617.0
"Beer makes you feel the way you ought to feel without beer" -Henry Lawson
"Beer is proof that God loves us and wants us to be happy." - Thomas Jefferson

Offline clem

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Re: 1997 BMW F650 ST Bluebird - Repair, maintain, ride.
« Reply #78 on: Apr 18, 2019, 20:45:28 »
Could you print one?

Sent from my SAMSUNG-SM-G930A using DO THE TON mobile app

"After every war there are soldiers who refuse to surrender. To this day there are still thousands who cling to their 30+ year old motorcycles, thinking that the war is still on, refusing to concede that the four-strokes have won"

1972 DS7 http://www.dotheton.com/forum/index.php?topic=45886.msg505995#msg505995
1983 CB550sc bobber http://www.dotheton.com/forum/index.php?topic=30599.30

Offline advCo

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Re: 1997 BMW F650 ST Bluebird - Repair, maintain, ride.
« Reply #79 on: Apr 22, 2019, 09:33:16 »
Productive weekend, got the brakes bled front and back, chain and sprockets done and everything torqued up. Discovered my chain slider is non existent and the 2 chain rollers are worn over halfway so I’m going to try  and get them in.

Bike is back on 2 wheels. Ran into some whack ass wiring while I had it apart that I want to fix.

Discovered why there was a huge gob of RTV on the right case cover. Cracked. Sucks as there’s none available on eBay right now so it looks like it’ll just have to get patched up for now until I can track a good one down.

The third photo is one of the wiring components I can’t exactly figure out. It’s definitely some sort of relay but can’t be stock the way it’s installed.

Red wire has a 30amp inline fuse and runs straight from the battery. One brown wire goes to the horn, one brown wire is cut and taped off. One or two wires go to headlight harness. I was thinking it may be an old alarm system relay that has been disabled?