Owner of Radical SR3 RSX and SR3 XX
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Liked Forum Posts

RE: Have i already broken my starter motor?

@rojid Glad its sorted! The corrosion may have been something to do with it but I have also heard that with a low battery voltage it keeps spinning the starter (but not fast enough/with enough RPM fo...

In forum General Discussion

4 years ago
RE: Video on how to change Gear Ratio sets in the SR3 Gear Drive Unit (GDU)

Nice. I use a Snap-on bent 8mm/10mm wrench for brakes and clutch bleeders. It is tight but it gets the job done. Attachment : image.png

In forum How To / DIY Discussions

4 years ago
RE: inspection/should do

Yes, you want lube on mating conical bearing surface to prevent galling. I typically put on vinyl glove, hold the nut in that hand and very light spray graphite over conical mating surface which inhe...

In forum SR3 Specific Discussions

4 years ago
RE: inspection/should do

@meatman< there are a lot of opinions on this subject and I don’t know that I know the correct answer, but reading the tread on the subject is a good idea. With that said, one of the inspections ...

In forum SR3 Specific Discussions

4 years ago
RE: Video on how to change Gear Ratio sets in the SR3 Gear Drive Unit (GDU)

@rjbender Hi Rod. Unfortunately I cannot give you exact measurements at the moment. In the photo of the two 42mm sockets above, mine is on the left and the machined-down one belongs to WISKO on the...

In forum How To / DIY Discussions

4 years ago
RE: Video on how to change Gear Ratio sets in the SR3 Gear Drive Unit (GDU)

@rjbender The manual says 33mm, but it is actually a 32mm. Also, it is a tight fit for a 42mm impact socket, so these need to be milled and lathed down to clear the frame. The shop rag method that ...

In forum How To / DIY Discussions

4 years ago
RE: New 1500cc Hayabusa engine starts briefly then dies

Rule out fuel. I have another SR3 XX and I swapped fuel between the two. The other SR3 runs fine with the swapped fuel, but the problem SR3 still has same problem. The problem appears to be getting ...

In forum General Discussion

4 years ago
RE: Radical decal font

@higgins613, unfortunately it isn’t a standard font. I believe that Radical had it custom made and only did these letters.

In forum General Discussion

4 years ago
Radical decal font

Does anyone know what font the Radical decal is? I apologize if this has already been answered but I did search with no luck. I have also searched the font websites and couldn’t find a match. My local...

In forum General Discussion

4 years ago
RE: SR3 Gear Drive Unit Overview Video

FYI, I updated the video to more accurately show how the forward and reverse gears work.

In forum How To / DIY Discussions

4 years ago
Video on how to change Gear Ratio sets in the SR3 Gear Drive Unit (GDU)

Here is a short video on how to change the Gear Ratio sets in the SR3 Gear Drive Unit (GDU). Attachment : Cover a.jpg

In forum How To / DIY Discussions

5 years ago
RE: New 1500cc Hayabusa engine starts briefly then dies

This sounds like one of those fun issues! If the problem has been with a previous engine and now one this one then we should be able to rule out the engine. I would also suggest that it isn't a proble...

In forum General Discussion

5 years ago
RE: SR3 shifting issues very TRICKY!

@jonasr1 Another interesting one! Has the problem been since a rebuild or just started? Firstly I would be looking at some basics, although it sounds like you have covered most, have you replaced/che...

In forum General Discussion

5 years ago
RE: New 1500cc Hayabusa engine starts briefly then dies

@daviff, I agree with @parsonsj that changing spark plugs is worth trying. A few years ago I was out on track and the car lost power and started running roughly and didn't want to idle. I tried a bun...

In forum General Discussion

5 years ago
RE: New Member Florida area

@parsonsj Nice, I have not tried Chin yet. I was at the PBOC Winterfest in January they put on a great 3 day event with DE, Sprint and Enduro Races, Time Trials and a Live band with free food and beer...

In forum New Member Introductions

5 years ago
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