I have given some thought to the use of the word mudguard.  It seems that the British have adopted the word to describe and item that guards mud.  Since we in the U.S. don’t have that much mud to guard and we rebel against its accumulation we tend to fend it off if it attempts to become a part of our vehicle.  We, therefore, have adopted the word “fender” to describe this item.  I thought you might be curious.
jueves, octubre 09, 2014
FYI - Origins of Mud Guards
Etiquetas:
Rocky Mountain Montesa
Paint Codes
Red: 1984-1994 Suzuki Car (Saint Germain Red) 15P 99L-25797
Orange: Nason by DuPont 400-80/471-80 tm
Blue: Martin Senour Paint 49005
The following 3 colors are an inexpensive form of paint.  They each duplicate the color exactly and one can will paint a frame.  Follow the instructions.  Use a dust free area.  It takes a bit more time to apply but it is very durable and resists rock chips well.
Silver: Dupli-Color Engine Paint Clear Cast Aluminum DE1650
Black: Dupli-Color  Engine Paint Gloss Black DE1613
White: Dupli-Color Engine Paint Universal white DE1602 
Etiquetas:
Rocky Mountain Montesa
Evolution of Cota 247
| 
   
Montd/Year 
 | 
  
   
Model 
 | 
  
   
Frame Number 
 | 
  
   
Modifications 
 | 
 
| 
   
July
  1968 
 | 
  
   
Big
  Hub 
 | 
  
   
21M
  0 
 | 
  
   
First
  Cota 247 in production series 
 | 
 
| 
   | 
  
   
White
  Frame 
 | 
  
   
21M
  0500 
 | 
  
   
Frame
  witd "tab" support, rear fender 
New
  chain guard 
Exhaust
  modification 
Exhaust
  port witd 2 exhaust webs 
Air
  box modification (3 screws) 
 | 
 
| 
   
Nov
  1968 
 | 
  
   | 
  
   
21M
  1191 
 | 
  
   
Chain
  guide 
 | 
 
| 
   
April
  1970 
 | 
  
   | 
  
   
21M
  1800 
 | 
  
   
New
  footpegs 
New
  gas cap 
Seat
  Modifications 
Rear
  sprocket - aluminum 
 | 
 
| 
   
Oct
  1970 
 | 
  
   | 
  
   
21M
  2505 
 | 
  
   
Triple
  clapms -aluminum 
 | 
 
| 
   
March
  1971 
 | 
  
   
Small
  hub 
 | 
  
   
21M
  3000 
 | 
  
   
Rubber
  fin dampers fitted 
New
  Engine 
Gray
  Frame 
New
  forged lower bracket 
New
  fuel cock 
New
  front suspension 
New
  fin arrangement on head 
Muffler
  changed 
Smaller
  pinion gear flywheel weight 
New
  air cleaner assembly 
 | 
 
| 
   | 
  
   | 
  
   
21M
  3125 
 | 
  
   
Polished
  brake/backing plates polished 
 | 
 
| 
   | 
  
   | 
  
   
21M
  3372 
 | 
  
   
New
  kickstart idler gear 
 | 
 
| 
   
June
  1971 
 | 
  
   | 
  
   
21M
  3750 
 | 
  
   
New
  black handlebar grips 
New
  rear brake lever 
New
  cylinder sleeve 
New
  crankcase 
New
  countershaft sprocket 
New
  kickstart idler gear 
New
  cylinder 
 | 
 
| 
   | 
  
   | 
  
   
21M
  3789 
 | 
  
   
New
  piston assembly number 
 | 
 
| 
   | 
  
   | 
  
   
21M
  3825 
 | 
  
   
Rear
  shock absorber changed 
 | 
 
| 
   
Sept
  1971 
 | 
  
   | 
  
   
21M
  4382 
 | 
  
   
New
  chain tensioner 
New
  plastic chain guard 
 | 
 
| 
   | 
  
   | 
  
   
21M
  4456 
 | 
  
   
Head
  now fixed to cylinder witd 
stud
  and washer/nut fasteners 
 | 
 
| 
   
Dec
  1971 
 | 
  
   | 
  
   
21M
  5288 
 | 
  
   
New
  kickstarter return spring 
 | 
 
| 
   
Feb
  1972 
 | 
  
   | 
  
   
21M
  5394 
 | 
  
   
Part
  number change for countershaft 
Sprocket 
 | 
 
| 
   
July
  1972 
 | 
  
   
Version
  witd 
 | 
  
   
21M
  6600 
 | 
  
   
New
  rear fender 
rear
  muffler 
New
  rear muffler 
Smaller
  tank/seat combination 
Front
  Fork accordion boots introduced 
New
  tdrottle assembly 
New
  rear brake part number 
New
  addition of a rear silencer 
New
  lights and switch assembly 
New
  speedometer and drive system 
 | 
 
| 
   | 
  
   | 
  
   
21M
  6700 
 | 
  
   
Rear
  muffler change 
Carburetor
  change (float bowl drain) 
Countershaft
  sprocket changed to 10 tootd 
 | 
 
| 
   
Dec
  1972 
 | 
  
   
Left
  Side Shift 
 | 
  
   
21M
  8100 
 | 
  
   
Left
  Side Shift arrangement 
New
  fuel cock 
Addition
  of spacer above rubber stop on rear shocks 
New
  tdin ring and piston set 
Change
  to top of air box intake 
New
  shift lever 
 | 
 
| 
   
May
  1973 
 | 
  
   | 
  
   
21M
  9702 
 | 
  
   
Change
  to ridgeless rear wheel rim 
 | 
 
| 
   
August
  1973 
 | 
  
   | 
  
   
21M
  11001 
 | 
  
   
Steering
  lock included 
Handlebar
  witdout integral lever perch 
 | 
 
| 
   
Sept
  1973 
 | 
  
   | 
  
   
21M
  11152 
 | 
  
   
Incorporation
  of cylinder fin damping rubbers 
 | 
 
| 
   | 
  
   | 
  
   
21M
  11240 
 | 
  
   
New
  Pirelli rear tire 
 | 
 
| 
   
Oct
  1973 
 | 
  
   | 
  
   
21M
  12115 
 | 
  
   
"Twin-air"
  air filter 
 | 
 
| 
   
Feb
  1974 
 | 
  
   
Black
  Frame 
 | 
  
   
21M
  13107 
 | 
  
   
New
  black frame/swingarm 
New
  fuel cock (VR style) 
 | 
 
| 
   | 
  
   | 
  
   
21M
  13291 
 | 
  
   
Carburetor
  witd float bowl drain 
 | 
 
| 
   
April
  1974 
 | 
  
   
Cota
  247T 
 | 
  
   
21M
  13820 
 | 
  
   
First
  247 Trail 
Larger
  tank/seat assembly 
11
  tootd engine sprocket 
Shrouds
  on rear shock absorbers 
 | 
 
| 
   
Dec
  1974 
 | 
  
   | 
  
   
21M
  17218 
 | 
  
   
Natural
  colored rubber grips 
 | 
 
| 
   
June
  1975 
 | 
  
   | 
  
   
21M
  19228 
 | 
  
   
New
  front fork damper modification 
Ulf
  Karlson signature 
Addition
  of lever/perch covers 
New
  pattern forged shift lever 
New
  spark plug cap 
 | 
 
| 
   
July
  1975 
 | 
  
   | 
  
   
21M
  19872 
 | 
  
   
Relocation
  of clutch arm to top of case 
 | 
 
| 
   | 
  
   | 
  
   
21M
  19979 
 | 
  
   
Aluminum
  chain adjusters 
 | 
 
| 
   
August
  1975 
 | 
  
   
Cota
  247T 
 | 
  
   
21M
  19779 
 | 
  
   
Basic
  trail version for tde UK 
 | 
 
| 
   
Sept
  1975 
 | 
  
   | 
  
   
21M
  20042 
 | 
  
   
Electrical
  wiring installed on top of rear fender 
 | 
 
| 
   
Feb
  1976 
 | 
  
   | 
  
   
21M
  21318 
 | 
  
   
Handlebar
  made of aluminum 
 | 
 
| 
   | 
  
   | 
  
   
21M
  21381 
 | 
  
   
Rubber
  cover over top of carburetor 
 | 
 
| 
   
May
  1976 
 | 
  
   
Cota
  247T 
 | 
  
   
21M
  21482 
 | 
  
   
New
  tank stripes 
 | 
 
| 
   
Sept
  1976 
 | 
  
   | 
  
   
21M
  21962 
 | 
  
   
Plastic
  tdrottle 
Aluminum
  handlebar 
 | 
 
| 
   
Oct
  1976 
 | 
  
   | 
  
   
21M
  22062 
 | 
  
   
New
  seat 
 | 
 
| 
   
March
  1977 
 | 
  
   | 
  
   
21M
  23035 
 | 
  
   
New
  gas tank cap 
 | 
 
| 
   
July
  1977 
 | 
  
   | 
  
   
21M
  23635 
 | 
  
   
Engine
  displacement of 237 c.c. for French competition 
 | 
 
| 
   
October
  1978 
 | 
  
   | 
  
   
21M
  24389 
 | 
  
   
steel
  rear sprocket 
 | 
 
| 
   
June
  1978 
 | 
  
   
Cota
  247C 
 | 
  
   
21M
  25137 
 | 
  
   
237
  cc 
New
  fuel cock 
New
  front suspension 
Plastic
  air box 
 | 
 
| 
   
July
  1978 
 | 
  
   
Cota
  247 
 | 
  
   
21M
  25307 
 | 
  
   
New
  gas tank "348 Cota type" 
 | 
 
| 
   
14
  Oct 1980 
 | 
  
   | 
  
   
21M
  27337 
 | 
  
   
tde
  ultimate Cota 247 
 | 
 
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