Engine Removal/Frame Dissasembly - Triumph Forum: Triumph Rat Motorcycle Forums
Air Cooled Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, Bobber, T100, Speedmaster, America, Thruxton, and Scrambler.


Sponsored by: Triumph Twin Power Ltd

Reply
 
LinkBack Thread Tools Display Modes
post #1 of 21 (permalink) Old 09-10-2008, 06:43 PM Thread Starter
Senior Member
Supersport 600
Main Motorcycle: 07 Triumph Scrambler
 
justbrian's Avatar
 
Join Date: Aug 2007
Location: Minneapolis, MN
Posts: 188
Engine Removal/Frame Dissasembly

I've got a quick question for those who have removed their motors for case machining, frame alterations, etc.

I'm leaving out MANY steps in between, but the factory service manual recommends removing the rear swing arm, dropping the lower frame subsection from the bike (with the motor still attached to the top fore and aft mounts), and THEN lowering the motor from the bike.

My instinct says it would be easier to disconnect the top motor mounts and drop the lower frame subsection with the motor still attached, without removing the rear swing arm so the bike can still sit on two wheels. Then I could place the motor on a pallet/cradle and dismount the lower frame subsection.

How did you do it? Clearance issues with the swinging arm if I did it my way?

Thanks!
justbrian is offline  
Sponsored Links
Advertisement
 
post #2 of 21 (permalink) Old 09-10-2008, 08:21 PM
Motorcyclist
Site Supporter
Supernova
Main Motorcycle: 2013 Tiger 800XC
 
propforward's Avatar
 
Join Date: Mar 2008
Location: MN, USA
Posts: 29,034
Other Motorcycle: 2007 Bonneville, ST1300
Extra Motorcycle: G12DL, ZX1100, KLX400
Doesn't the pivot shaft for the swingarm go through the engine casings? I think you have to pull the engine and then put the swingarm back in. But there may be some trick I'm not aware of.....

Before he did it, I'd have said it couldn't be done.
propforward is offline  
post #3 of 21 (permalink) Old 09-10-2008, 08:33 PM Thread Starter
Senior Member
Supersport 600
Main Motorcycle: 07 Triumph Scrambler
 
justbrian's Avatar
 
Join Date: Aug 2007
Location: Minneapolis, MN
Posts: 188
Quote:
Originally Posted by propforward View Post
Doesn't the pivot shaft for the swingarm go through the engine casings? I think you have to pull the engine and then put the swingarm back in. But there may be some trick I'm not aware of.....
After giving the bike a good "second look", your right!

Thanks.
justbrian is offline  
post #4 of 21 (permalink) Old 09-11-2008, 07:44 PM
Senior Member
Commentator
Main Motorcycle: 03 T100
 
mikeinva's Avatar
 
Join Date: Mar 2007
Location: richmond va
Posts: 8,782
Send a message via AIM to mikeinva
yea it goes through the motor but you only have to pull the bolt if your carful after you get the motor off you can put the bolt back in and move the bike around on its wheels just watch the chain.

Why do I feel young on my bike
mikeinva is offline  
post #5 of 21 (permalink) Old 09-11-2008, 08:30 PM
Senior Member
Site Supporter
Legend
Main Motorcycle: 904cc Bonnie w/magwheels
 
sweatmachine's Avatar
 
Join Date: Mar 2006
Location: Austin, Texas
Posts: 11,825
Other Motorcycle: 2005 Yamaha FZ1
Send a message via AIM to sweatmachine
I put my bike on the craftsman bike jack, and after taking off the seat, gas tank, exhaust, carbs, etc I removed the swingarm, rear wheel, and shocks, all in one piece (heavy as hell!!!):



Then, I unbolted the lower section of the frame, and lifted the main part of the frame right off the motor:



Sorry for the crappy cell phone pics, here's me riding my "bobbed" bike. I took a lot of weight off it, but the power to weight ratio sucked:



When I put it back together I just put the frame right back on top of the motor. Simple!

"If you will it Dude, it is no dream"

904cc Custom Bonnie Cafe Fighter!
sweatmachine is offline  
post #6 of 21 (permalink) Old 09-11-2008, 11:17 PM Thread Starter
Senior Member
Supersport 600
Main Motorcycle: 07 Triumph Scrambler
 
justbrian's Avatar
 
Join Date: Aug 2007
Location: Minneapolis, MN
Posts: 188
Nice - thanks guys!
justbrian is offline  
post #7 of 21 (permalink) Old 09-12-2008, 12:01 AM
Senior Member
Team Owner
Main Motorcycle: None don't ride anymore
 
Join Date: Dec 2004
Location: Tacoma,WA
Posts: 4,774
Hey Sweat,I`m thinking about making a single downtube section from the front lower motor mount upwards.If both lower rails were fixed together as a single piece,could they still be removed if I needed to,or do the 2 rails need to move outward to be removed?

Ruining a perfectly good Bonnie since 2004.
rodburner is offline  
post #8 of 21 (permalink) Old 09-12-2008, 12:20 AM
Senior Member
Site Supporter
Legend
Main Motorcycle: 904cc Bonnie w/magwheels
 
sweatmachine's Avatar
 
Join Date: Mar 2006
Location: Austin, Texas
Posts: 11,825
Other Motorcycle: 2005 Yamaha FZ1
Send a message via AIM to sweatmachine
A single downtube would work.

"If you will it Dude, it is no dream"

904cc Custom Bonnie Cafe Fighter!
sweatmachine is offline  
post #9 of 21 (permalink) Old 09-12-2008, 12:24 AM
Senior Member
Team Owner
Main Motorcycle: None don't ride anymore
 
Join Date: Dec 2004
Location: Tacoma,WA
Posts: 4,774
Cool,Thanks

Ruining a perfectly good Bonnie since 2004.
rodburner is offline  
post #10 of 21 (permalink) Old 09-12-2008, 01:37 AM
Senior Member
World SuperBike
Main Motorcycle: Two wheeled
 
Retro-Racer's Avatar
 
Join Date: Jul 2007
Location: Anytown, USA
Posts: 2,415
Other Motorcycle: several
Extra Motorcycle: next one
The floor jack method works just fine. If you are stripping the bike down to the frame, I'd obviously would remove the front end before separating the frame.

Take lots of digital photos and bag & lable everything. If you want to pull the bottom frame rails, you can carefully roll the bare motor over upsidedown onto a shipping blanket and remove the rails.

/Mike
Retro-Racer is offline  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options
All posts must adhere to Forum Rules

Register Now



In order to be able to post messages on the Triumph Forum: Triumph Rat Motorcycle Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter your valid email address, that can receive an automated confirmation message. Otherwise, you won't be able to gain full access.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
Frame Engine numbers dennisg Classic, Vintage & Veteran 11 07-24-2009 03:27 PM
Frame Finishers - Rear foot peg removal. faffyface Speed Triple Forum 4 05-09-2008 04:58 PM
engine and frame numbers meangene1975 Classic, Vintage & Veteran 4 04-15-2008 11:01 AM
B50 Engine in Triumph frame SoupDragan Classic, Vintage & Veteran 1 02-03-2007 11:59 AM
Engine and frame numbers Soccermasta Air Cooled Twins Technical Talk 2 08-28-2006 11:08 PM

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome