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About jimmyl

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    Advanced Member

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  • Bike
    Montesa 4rt 300rr

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  • Location
    South Wales

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  1. Normally get away with gasket if you do need to change it oil the outer side and will come apart next time so no need to change 👍
  2. Oil filter under a £5 on ebay- I buy a few at a time as cheaper Engine oil £12 for 2 service’s gearbox £10 a fill if you use elf a lot less if you use atf
  3. If greasing I leave swing arm In just put on a stand and pull back wheel out bungy on the swing arm and around the silencer to keep it up for access👍👍
  4. In the past I would always do with swing arm left in the bike but last few times found easiest to take swing arm out . Just unscrew the rear brake hose clamps If the swing arm dog bone bearing is seized in it gives you best access to get out and replace. Sockets, threaded rod, vice etc or pullers used to push old out and new in. Remember which direction the bolts come out of the linkages as some will only go back in from same side due to the stand. One will wiggle past the chain slider despite looking like it wont. The main swing arm bearing I have never seen wear on the 8? monts I have had (315/4RT) just grease and pit back in but if you have new you could swap but you may find the genuine Honda ones better than aftermarket replacement so save for a rainy day. best of luck
  5. pre 2015 and pre 2020 swap ok - its just the front edge of the mudguard where it sits on the back edge of the tank. I also used to run older rear mudguards on my 2015 and newer bikes during winter and practices as better in the mud. The latter models are quiet a bit different - the back of the tank is a little bit higher so the recall there is a taller rubber support needed and the mud catcher/support at the back of the air box is different. The alternative parts would be available but not sure how it would marry up with the back of an earlier tanks as the new tanks are quite a bit different on the top.
  6. One thing I Think Sammy Miller said is use the tools you are carrying at least once in the garage - no point carrying a tool around that breaks/doesn't actually fit or several tool that you are never going to use. Can you cut and shut several tools together - I weld the end of an Allen key onto my adjustable spanner for front spindle - saves carrying 6" of Allen key around. You could weld a socket etc to one if more suited. Try and standardize on bolts -ie fit allen screws rather than hex head bolts to the bike -minimal cost but 1 tool does all - I think my mono yam could be virtually stripped with just a screwdriver. couple of Allen keys and my multi tool adjustable spanner - SSDT prep👍 Again Sammy would fit as many tools to to the bike as possible and a spare clutch and throttle cable routed in place and taped to existing ones. Some money - again Sammy carried notes not coins as lighter -no good in the wilderness but may help get you a lift home. If not a tube (front one -lighter) and will do a rear if needed to get you home then at least a puncture kit and pump - if only trail riding then time is not as much an issue as in an event . Possibly fuel in case you tip it upside down -gaffer tape -cable ties 🤣🤣🤣
  7. jimmyl

    290 rear hub

    I bought a spare wheel with similar issue -had welded and been my practice wheel on my 4rt for a few years now
  8. I seem to recall that the temp sender is not just a switch but one that gives varying output as the temp rises - the ecu decides when the fan comes on. I think the Ecu uses the temp info for fuel setting and limo home modes etc could be wrong but sure I read it it somewhere Maybe need to check before just linking out
  9. Is the fan free when the radiator gets warm ? Does the fan sound to be running fast or varying with engine speed
  10. Presume air filter isn’t soak or freshly oiled
  11. I'm sure the hub is narrower as well - had to machine my spare wheel when I changed to the newer model
  12. think it was just the rear caliper that changed - think master cylinders are all the same
  13. The 4rt master cyl maybe the same as 315
  14. Is it just since you changed the pads or before. Is the calliper twisted on the spindle he so the pads are contacting at an angle and jamming the pistons
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