1/18/15
DT1 MX project
I'm using a complete seal kit from Rusty Riders.
Here is the kick start assembly cleaned and ready to reassemble.
An example of things to look for when reassembling parts, there is a mark on the ratchet wheel that needs to line up with a mark on the kick axle so that the torsion spring has the correct tension.
Here it is assembled.
After the clutch is back on and the covers polished, the bottom end will be done.
The cylinder I'm using is at the 1st oversize (70.25mm), but has some scoring and will need to go at least one more oversize. Before boring I'm going to do some mild porting, so wanted to get it cleaned up first. I bead blasted it.
One of the best ways to loosen carbon buildup is to use paint stripper.
It melts most of it away, and a brass brush helps get the tougher carbon.
I then pressure washed it to remove the paint stripper and any left over blasting media, and brushed ATF on the iron parts to prevent flash rusting. Here you can see some of the cylinder wall scoring.
For the port work I'm just going to smooth and blend some of the rough areas of the castings, like in the exhaust port shown here. Once that is done I'll take it to the machine shop and see what oversize it will need.
Here is the kick start assembly cleaned and ready to reassemble.
An example of things to look for when reassembling parts, there is a mark on the ratchet wheel that needs to line up with a mark on the kick axle so that the torsion spring has the correct tension.
Here it is assembled.
After the clutch is back on and the covers polished, the bottom end will be done.
The cylinder I'm using is at the 1st oversize (70.25mm), but has some scoring and will need to go at least one more oversize. Before boring I'm going to do some mild porting, so wanted to get it cleaned up first. I bead blasted it.
One of the best ways to loosen carbon buildup is to use paint stripper.
It melts most of it away, and a brass brush helps get the tougher carbon.
I then pressure washed it to remove the paint stripper and any left over blasting media, and brushed ATF on the iron parts to prevent flash rusting. Here you can see some of the cylinder wall scoring.
For the port work I'm just going to smooth and blend some of the rough areas of the castings, like in the exhaust port shown here. Once that is done I'll take it to the machine shop and see what oversize it will need.
2015 Indiana events and places
World of Wheels - February 13-15 - Indiana State Fairgrounds
Indiana Motorcycle Expo - February 20-22 - Indiana State Fairgrounds
Vintage Motorcycle Swap Meet - March 7 (auction on March 8) - Boone County Fairgrounds
AMA Supercross - March 14 - Indianapolis
Wildcat Creek Motocross - GLMX and AMA race, Loretta Lynn qualifier- April 18-19 - Rossville
MCRA track day at Putnam Park Road Course - April 18-19 - Mount Meridian
2nd Annual Indy Mad Max Run - April 26 - Indianapolis
Grand Prix of Indianapolis - May 7-9 - Indianapolis Motor Speedway
Mecum motorcycle auction - Indiana State Fairgrounds - May 14
Midwest Vintage Motocross Wabash Cannonball - May 16-17 - Wabash
Indy 500 - May 24 - Indianapolis Motor Speedway
Indy Rockers Reunion - May 30 - Fountain Square, Indianapolis
SVRA Brickyard Vintage Racing Invitational - Indianapolis Motor Speedway - June 10-14
Moville Groundshakers Father's Day Motorcycle Race - Bunker Hill Dragstrip - June 21 (canceled due to weather)
Mid-America Speedway - Night before the Indy Mile - July 10 - Indianapolis
Indy Mile - AMA pro flat track - Indianapolis - July 11
Kokomo Wings and Wheels - air and car show - July 18 - Kokomo Municipal Airport
Brickyard 400 - Indianapolis Motor Speedway - July 26
35th Annual Tippecanoe Steam and Gas Power Show - West Lafayette - August 1
Mid-America Speedway - MotoGP weekend - August 8 - Indianapolis
MotoGP at the Indianapolis Motor Speedway - August 7-9
Indiana British Car Union - Indy British Motor Days - August 8 - Zionsville
AMA Pro Motocross - August 22 - Crawfordsville
NHRA US Nationals - Indianapolis - September 2-7
flat track racing - Clinton County Fairgrounds half mile - September 12
James Dean Festival & Run - Fairmount - September 24-27
Newport Antique Auto Hill Climb - Newport - October 2-4
Gonzo Cross - Mid America Speedway - October 29
Grand National Cross County Ironman - Crawfordsville - October 31-November 1
Muncie Dragway - Albany
Lawrenceburg Motorcycle Speedway - Lawrenceburg
Indianapolis Motor Speedway Hall of Fame Museum - Indianapolis
The Studebaker National Museum - South Bend
National Automotive and Truck Museum of the United States - Auburn
Auburn Cord Duesenberg Museum - Auburn
Ropkey Armor Museum - Crawfordsville
Indiana Transportation Museum - Noblesville
Grissom Air Museum - Peru
Kerstings Cycle Center and Museum - North Judson
Elwood Haynes Museum - Kokomo
Kokomo Automotive Museum - Kokomo
Indiana Motorcycle Expo - February 20-22 - Indiana State Fairgrounds
Vintage Motorcycle Swap Meet - March 7 (auction on March 8) - Boone County Fairgrounds
AMA Supercross - March 14 - Indianapolis
Wildcat Creek Motocross - GLMX and AMA race, Loretta Lynn qualifier- April 18-19 - Rossville
MCRA track day at Putnam Park Road Course - April 18-19 - Mount Meridian
2nd Annual Indy Mad Max Run - April 26 - Indianapolis
Grand Prix of Indianapolis - May 7-9 - Indianapolis Motor Speedway
Mecum motorcycle auction - Indiana State Fairgrounds - May 14
Midwest Vintage Motocross Wabash Cannonball - May 16-17 - Wabash
Indy 500 - May 24 - Indianapolis Motor Speedway
Indy Rockers Reunion - May 30 - Fountain Square, Indianapolis
SVRA Brickyard Vintage Racing Invitational - Indianapolis Motor Speedway - June 10-14
Moville Groundshakers Father's Day Motorcycle Race - Bunker Hill Dragstrip - June 21 (canceled due to weather)
Mid-America Speedway - Night before the Indy Mile - July 10 - Indianapolis
Indy Mile - AMA pro flat track - Indianapolis - July 11
Kokomo Wings and Wheels - air and car show - July 18 - Kokomo Municipal Airport
Brickyard 400 - Indianapolis Motor Speedway - July 26
35th Annual Tippecanoe Steam and Gas Power Show - West Lafayette - August 1
Mid-America Speedway - MotoGP weekend - August 8 - Indianapolis
MotoGP at the Indianapolis Motor Speedway - August 7-9
Indiana British Car Union - Indy British Motor Days - August 8 - Zionsville
AMA Pro Motocross - August 22 - Crawfordsville
NHRA US Nationals - Indianapolis - September 2-7
flat track racing - Clinton County Fairgrounds half mile - September 12
James Dean Festival & Run - Fairmount - September 24-27
Newport Antique Auto Hill Climb - Newport - October 2-4
Gonzo Cross - Mid America Speedway - October 29
Grand National Cross County Ironman - Crawfordsville - October 31-November 1
Muncie Dragway - Albany
Lawrenceburg Motorcycle Speedway - Lawrenceburg
Indianapolis Motor Speedway Hall of Fame Museum - Indianapolis
The Studebaker National Museum - South Bend
National Automotive and Truck Museum of the United States - Auburn
Auburn Cord Duesenberg Museum - Auburn
Ropkey Armor Museum - Crawfordsville
Indiana Transportation Museum - Noblesville
Grissom Air Museum - Peru
Kerstings Cycle Center and Museum - North Judson
Elwood Haynes Museum - Kokomo
Kokomo Automotive Museum - Kokomo
1/10/15
Lightweight Weapon
This is one of my favorite bikes of all time, the two part October and November of 1971 Cycle Guide magazine DT1 feature by Barry Watkins.
Subscribe to:
Posts (Atom)