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Featured Replies

Carb upgrade to either the Keihin pwk 28mm or 26mm

  • Author

Bike feels heavy, iv ridden a few 4rt that are meant to be similar weight, yet feel lighter and more agile.

brakes could do with sharpening up too

its running stadard del carb, it it worth trying to set this up perfectly or is a carb upgrade a better option?

H & D Racing rear linkage upgrade! Super simple bit of kit and really improves the way the bike rides!! :thumbup:

  • Author

Yep lewis I agree, rear end feels fine as I have those fitted, its the front that feels numb, may just be suspension settings, need to find a rough guide for setup

The carb upgrade makes the bike a lot more alive

  • Author

Bilks I found that site late last night. It seems helpful

It's year 2000, first Showa model. Stock bike apart from newer twin pot front caliper, h&d dog links and 2004 plastics

2000 models had the older delorto's, 01 onwards have phbl fitted as stock so you may want to look as mentioned at carbs..

ta

B

  • Author

Ye mine has the older del on

are parts still available for a full engine rebuild, engine is knocking unfotunatley, unsure on whether its top or bottom as havnt looked into it as its always had a slight knock but recently gotmore noticable

also is it possible to convert to fat bars without having to buy expensive new top yoke clamp?

Most knocking is the bottom of the piston slapping against the bottom of the sleeve, because they have 3 rings it holds the top of the piston but the bottom does tend to slap

Sandifords do the piston and all gaskets for £140

For a starting place on the Showa forks turn the clickers full out (CCW). Also a PO may have put the wrong oil in the forks, or too much. The oil for the right leg should be cartridge fork oil, a very thin oil. Showa SS05 or Honda SS05 fork fluid or similar. No cartridge in the left leg so the oil just lubes the bushings. The level in both legs determines the resistance to bottoming, standard level is 39mm from the top with the fork fully compressed.

The Owner's Manual covers all of the above.

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