Skip to content
View in the app

A better way to browse. Learn more.
Trials Central

A full-screen app on your home screen with push notifications, badges and more.

To install this app on iOS and iPadOS
  1. Tap the Share icon in Safari
  2. Scroll the menu and tap Add to Home Screen.
  3. Tap Add in the top-right corner.
To install this app on Android
  1. Tap the 3-dot menu (⋮) in the top-right corner of the browser.
  2. Tap Add to Home screen or Install app.
  3. Confirm by tapping Install.

4rt engine vs crf250

senf2
in Montesa

Featured Replies

Hi, does anybody know the difference between the 4rt and crf250 engine?

cylinder-head, drivedrain....

  • Quote

    gears are different

    bore and stroke are not the same

    camshaft and flywheel are different

    best regards bob

  • Quote

    The head is different also. The valve adjustment for the crf is shim under bucket. The 4rt uses threaded adjusters.

  • Quote

    • Join the conversation

    You can post now and register later. If you have an account, sign in now to post with your account.

    Guest
    Reply to this topic...
    Go to topic listing

    Account

    Navigation

    Search

    Search

    Configure browser push notifications
    Chrome (Android)
    1. Tap the lock icon next to the address bar.
    2. Tap Permissions → Notifications.
    3. Adjust your preference.
    Chrome (Desktop)
    1. Click the padlock icon in the address bar.
    2. Select Site settings.
    3. Find Notifications and adjust your preference.