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Roadmaster 3870SR bicycle

Roadmaster 3870SR bicycle Parts

Here are the diagrams and repair parts for Roadmaster 3870SR bicycle, as well as links to manuals and error code tables, if available.

By Schematic
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This is the number corresponding to the part on the diagram / schematic

Browse Parts for 3870SR Bicycle

  • Chain for Roadmaster 3870SR - Part PP0137

    26" men's, 18 speed crestwood diagram

    Chain

    Part #PP0137

    The manufacturer no longer makes this part, and there's no substitute part

  • Stationary for Roadmaster 3870SR - Part HH2411

    26" men's, 18 speed crestwood diagram

    Stationary

    Part #HH2411

    The manufacturer no longer makes this part, and there's no substitute part

  • Adj. Cone- for Roadmaster 3870SR - Part HH2410

    26" men's, 18 speed crestwood diagram

    Adj. Cone-

    Part #HH2410

    The manufacturer no longer makes this part, and there's no substitute part

  • Flange Nut for Roadmaster 3870SR - Part PP6176XXX

    26" men's, 18 speed crestwood diagram

    Flange Nut

    Part #PP6176XXX

    The manufacturer no longer makes this part, and there's no substitute part

  • Wheel for Roadmaster 3870SR - Part 909843

    26" men's, 18 speed crestwood diagram

    Wheel

    Part #909843

    The manufacturer no longer makes this part, and there's no substitute part

  • Tire&tube for Roadmaster 3870SR - Part NN0379

    26" men's, 18 speed crestwood diagram

    Tire&tube

    Part #NN0379

    The manufacturer no longer makes this part, and there's no substitute part

  • Key Washer for Roadmaster 3870SR - Part 479727

    26" men's, 18 speed crestwood diagram

    Key Washer

    Part #479727

    The manufacturer no longer makes this part, and there's no substitute part

  • Screw for Roadmaster 3870SR - Part HH4305

    26" men's, 18 speed crestwood diagram

    Screw

    Part #HH4305

    The manufacturer no longer makes this part, and there's no substitute part

  • Handlebar for Roadmaster 3870SR - Part PP0301/3870SR

    26" men's, 18 speed crestwood diagram

    Handlebar

    Part #PP0301/3870SR

    The manufacturer no longer makes this part, and there's no substitute part

  • Seat Post for Roadmaster 3870SR - Part PP5015

    26" men's, 18 speed crestwood diagram

    Seat Post

    Part #PP5015

    The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower front deck tray

How to replace a lawn mower front deck tray

Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair time and Difficulty

 45 minutes or less

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

How to fix a pull cord stuck after tipping mower

How to fix a pull cord stuck after tipping mower

Pull cord stuck after tipping your mower? You might’ve locked the engine. This video shows how to fix a lawn mower pull …

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Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

How to winterize a lawn mower

How to winterize a lawn mower

Your lawn mower will last longer and run better if you take these steps before storing it for winter.…

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