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Author Topic: The Van Van - '73 Suzuki RV125 "tracker"  (Read 2624 times)

Offline advCo

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The Van Van - '73 Suzuki RV125 "tracker"
« on: Jun 15, 2017, 11:28:49 »
Without further ado, I present to you the Van Van!



Canyoncarver picked this old girl up a while back, and a while later I was searching for a CT70/90 I remembered he had it stored. With slightly larger tires and a 125cc 2 stroke motor, the RV125 is a cool alternative and should be a blast. We chatted about it and I made a plan to go out and grab it from him.

Here I am sitting on it in the canyoncarver shop. It's bigger than I originally thought, the beefy tires create a weird illusion that it's a smaller bike than it is, in photos anyways.



Since we flew out, rented a car and planned to stuff the bike in the back, disassembly commenced.



Fit like a glove. Good thing our rental ended up being an SUV. Everything is in there with the exception of the front wheel (woops!) but more on that later.



Back at the shop



I was going to put it back together, fix the motor and ride it but since it was already more than halfway disassembled, I figured why not just go all the way and do it right. So disassembly commenced.

« Last Edit: Jun 15, 2017, 12:53:11 by advCo »
"He broke the mirrors off his Cadillac, 'cause he doesn't like it looking like he looks back."

74 CB360 - Luna - http://www.dotheton.com/forum/index.php?topic=63294.0
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0 - Sold
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0

Offline advCo

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The Van Van - '73 Suzuki RV125 "tracker"
« Reply #1 on: Jun 15, 2017, 11:39:35 »
So the motor...yeah. Some PO had busted the cases on a rock or something, and "fixed" it with a shitload of RTV and probably a piece of metal. Well that didn't last and here we are. It's on the flywheel side and that is undamaged. I picked up a set of TS125 cases for dirt cheap (TS125 and RV125 motor are basically identical during the years that the RV125 was made) and  a good condition stator cover from eBay first thing.

Other than that, the motor turned freely and feels like there's good compression there.





No head gasket?



More damage to the stator cover. Upon further inspection this thing was dropped pretty hard on the left side.



That's supposed to be straight...



PO (not canyoncarver  ;D ) did some nice work



Torn down just about all the way. I made a DIY crank puller tool out of some 1/4" steel plate, some 6mm threaded rod and nuts, 10mm threaded rod and a threaded bung that Mr. E whipped up (for a different part of this project).



After trying it once or twice and realizing I forgot a crankcase joining screw (doh) the cases split smooth as butter.



And that brings us just about up to date with where I'm at. The new cases have been cleaned up and I'm beginning to swap transmission and other internals over.

« Last Edit: Jun 15, 2017, 11:53:15 by advCo »
"He broke the mirrors off his Cadillac, 'cause he doesn't like it looking like he looks back."

74 CB360 - Luna - http://www.dotheton.com/forum/index.php?topic=63294.0
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0 - Sold
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0

Offline advCo

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Re: The Van Van - '73 Suzuki RV125 "tracker"
« Reply #2 on: Jun 15, 2017, 11:45:46 »
While the motor is in progress, I have been sourcing parts and prepping for refinishing. Built a little spray booth out of recycled materials back behind the shop so I don't coat everything with overspray. It will get sheathing and probably get expanded later, but I needed this up quick to get moving so it's nothing special.



Prepped the frame and swinger to test out the booth. Works killer.



And we're up to date.
"He broke the mirrors off his Cadillac, 'cause he doesn't like it looking like he looks back."

74 CB360 - Luna - http://www.dotheton.com/forum/index.php?topic=63294.0
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0 - Sold
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0

Offline sealedwithakay

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Re: The Van Van - '73 Suzuki RV125 "tracker"
« Reply #3 on: Jun 15, 2017, 11:49:16 »
 Wooo!


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Offline Hurco550

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Re: The Van Van - '73 Suzuki RV125 "tracker"
« Reply #4 on: Jun 15, 2017, 12:40:17 »
you know im in! That thing really is way bigger than I had pictured!
Keep er' Between The Ditches!!!

1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1973 Ironhead Hardtail: http://www.dotheton.com/forum/index.php?topic=68135.msg788081#msg788081
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"Two strokes are the motorcycle equivalent to Thors chariot. Full of glory and memories of battles victorious" ~ von yinzer

Offline Kamn

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Re: The Van Van - '73 Suzuki RV125 "tracker"
« Reply #5 on: Jun 15, 2017, 13:16:27 »
Nice work Nick, thats gonna be a fun little ripper when youre done
'82 Kawi GPZ550

'73 CB750 K3 (needs restoration)

Offline Maritime

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Re: The Van Van - '73 Suzuki RV125 "tracker"
« Reply #6 on: Jun 15, 2017, 13:31:58 »
Wow. nice. there was one of these for sale local and I thought it was ct70 size, that's a full size ride. now I wished I had bought it with the $$ I don't have.
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 canyoncarver

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Re: The Van Van - '73 Suzuki RV125 "tracker"
« Reply #8 on: Jun 15, 2017, 16:59:13 »
Hell yeah buddy!  I knew you'd be the guy to take this project and run with it.  And thanks for not implicating me in the po's mess....lol....

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YZF750/1000R The Fly
KZ 750 Twin
ZRX 1100
The Shovelhead springer chopper
A bunch of KZ's...some Suzukis', and a disassembled CB550
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Offline advCo

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Re: The Van Van - '73 Suzuki RV125 "tracker"
« Reply #9 on: Jun 16, 2017, 13:42:58 »
More progress on the motor. This gear slip fit into the bearing. I gently tapped it out of the old case, stuck it in the freezer for a couple hours, then heated the bearing and it slid right in.



New crank seal for this half, transmission and gearshift assemblies back in place and lubed up.



Now I cleaned up the other half of the eBay case. The gasket surface is pretty nicked up from whoever was in here before. This motor uses a fiber gasket between the case halves... but would it be a good idea to use a super thin coating of yamabond to make sure they seal up nice and tight?

"He broke the mirrors off his Cadillac, 'cause he doesn't like it looking like he looks back."

74 CB360 - Luna - http://www.dotheton.com/forum/index.php?topic=63294.0
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0 - Sold
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0