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Track days 2018/19

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MSNracing View Drop Down
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    Posted: 31 Oct 2018 at 19:14
so end of season, got some winter work to sort out so going to list items and hopefully get some top tips/advice to put me on track for 2019 

1. Air box mod ? 
2. EPROM chip ? 
3. Rear sets ? 
4. Exhaust? 
5. Gear selector (finding netrual) 

Thanks in advance
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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 01 Nov 2018 at 11:40
Nice, got plans for winter work myself. Did you get your shock sorted in the end?

Personally I've overlooked the engine for now, just accepting it's going to be down on power compared to many modern bikes. But also accepting that at my limited ability power isn't as important as improving exit speed and how soon I can get back on full throttle.

That said, my plans for engine work if/when I do it would start with chip and power commander to try get best fueling possible. I see real benefits on track with getting a nice smooth initial crack of throttle. I was going to get a Forza chip which from what I gather is a good affordable clone of a Gabro chip.

Based on no experience and only internet gossip I was going to skip over air box mods. The ones I've seen look hacky with the only benefit being extra noise. A chap on Aprilia forum who seems to know what he's talking about said he finds the stock air box and filter unbeatable for all stages of engine tune he's worked with.

I swapped out my stock exhaust after feeling the weight of it. I bought a homemade one from a member on here. It's full length which is what tends to be recommended for these engines. I didn't notice the power difference until taking it on track. Mostly fueling improves. But on track I noticed I was getting wheelies and head shakes where I wasn't previously which suggests better wide open acceleration. Definitely worth doing if you can find one for a reasonable price that is full length and can be baffled. Mine is 102db with baffle, 107db without so baffle in for Cadwell.

Hopefully some more experience people pipe in. My plans this winter are to get track fairing, fix rear brake, strip and re-build front brakes, service shock and forks and maybe have a play with valving on forks too. Ah also have a look at the vacuum slipper clutch - back end was waggling on every down shift in Spain.




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Post Options Post Options   Thanks (0) Thanks(0)   Quote MSNracing Quote  Post ReplyReply Direct Link To This Post Posted: 01 Nov 2018 at 18:31
Yeah had the rear shock out serviced and new updated spring, was a lot better but still needs setting up properly as they just put a base setting in.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote legend88 Quote  Post ReplyReply Direct Link To This Post Posted: 01 Nov 2018 at 20:09
Gen 1 I presume?

I've got the Forza chip, EVO airbox and one of Mark's modded collectors. After a TB balance the bike was transformed in the mid range and pulls smooth from as low as 2.5K. I couldn't say if the airbox mod works or not as I haven't run the standard airbox with the other mods but the combo is certainly excellent. Oh, I've got one of the early air boots as well.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote MSNracing Quote  Post ReplyReply Direct Link To This Post Posted: 01 Nov 2018 at 20:37
Yeah gen 1 (1999)

Whatโ€™s the early air boots ? 
Marks collectors ? Is that mhp ? What db level do you get ?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote legend88 Quote  Post ReplyReply Direct Link To This Post Posted: 01 Nov 2018 at 20:59
Collectors from Mark - "Redratbike" - makes them based on the Aprilia WSB spec and has dyno sheets to show improvement, see here for contact:

Early air boot. If yours is 1999 you probably have one in there already. Pics below show the differences (Top is later type, bottom is early less restricted type). If you don't have one they are hard to find but do pop up on ebay occasionally:



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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 02 Nov 2018 at 08:44
Those collectors look to be best bang for buck power wise in that they give you back the big dip around 4-6k rpm. Sort of emulates having a 2 - 2 exhaust system but without the extra weight. Not sure about top end power but it definitely looks to be a worthwhile improvement in mid range. Being a tight Yorkshire man I look at the £160 for welding in a link pipe and think "ah I'll just keep it over 6k rpm thanks" haha. Still, probably can't be beaten for hp per £ though.

There's a good deal going over at TDR at the moment on K-Tech suspension upgrades: http://www.trackdayriders.co.uk/tdr/forum/november-ssk-ssrk-piston-spring-super-deal_topic72620.html

£500 will get your forks serviced (including bushes), re-sprung for your requirements and upgraded with K-Tech 20SSRK piston kit. Depending on how quick you are that may be a bargain or a frivolous luxury.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote legend88 Quote  Post ReplyReply Direct Link To This Post Posted: 02 Nov 2018 at 12:44
Originally posted by blacklines blacklines wrote:

Those collectors look to be best bang for buck power wise in that they give you back the big dip around 4-6k rpm. Sort of emulates having a 2 - 2 exhaust system but without the extra weight.


It's quite astonishing the difference they make. It feels like a bigger engine the driveability is improved so much. No hesitation on the throttle and much smoother. The Forza chip works with it though and is frankly a bit of a bargain at around £50
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Post Options Post Options   Thanks (0) Thanks(0)   Quote damo46 Quote  Post ReplyReply Direct Link To This Post Posted: 02 Nov 2018 at 13:44
Originally posted by MSNracing MSNracing wrote:

so end of season, got some winter work to sort out so going to list items and hopefully get some top tips/advice to put me on track for 2019 

1. Air box mod ? 
2. EPROM chip ? 
3. Rear sets ? 
4. Exhaust? 
5. Gear selector (finding netrual) 

Thanks in advance

I would stick with the standard airbox, I even took the k&N filter out of mine (road bike) and put in a stock OE one, they seal much better than a k&n filter and really are not expensive for the amount of times you would be changing, any time I have the top off the airbox it's always cleaner than it used to be with the k &n. I'll take a cleaner airbox over the extra bit of airflow a k&n would give . The collector pipe mod with chip to suit is definitely worth doing.
 Finding neutral?..... is it to make it easier you mean, the clutch jet from a gen2 will help that, might be no harm either checking the plastic one way valve for the slipper clutch (basic and all as it may be) , nothing to do with getting neutral just worth checking if your doing track days.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote MSNracing Quote  Post ReplyReply Direct Link To This Post Posted: 02 Nov 2018 at 18:29
Clutch jet ?
One way valve ? 

I found when exiting pit lane, stoping and selecting neutral was difficult and even once it showed it was in neutral but then as I let the clutch out it still moved, and returning to the pits stalling the bike was easier then find neutral. 
Also on down shift it wouldnโ€™t always catch gear release the clutch and it was between gears


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Post Options Post Options   Thanks (0) Thanks(0)   Quote ForzaApriliaRacing Quote  Post ReplyReply Direct Link To This Post Posted: 02 Nov 2018 at 19:12
Gabro Clone ?
Where did you hear such bullsh*t ?
Aprilia Tech?๐Ÿ˜‚๐Ÿ˜‚
Forza Aprilia Racing
www.forzaapriliaracing.co.uk
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Diablo Quote  Post ReplyReply Direct Link To This Post Posted: 02 Nov 2018 at 19:30
Originally posted by legend88 legend88 wrote:

Collectors from Mark - "Redratbike" - makes them based on the Aprilia WSB spec and has dyno sheets to show improvement, see here for contact:

Early air boot. If yours is 1999 you probably have one in there already. Pics below show the differences (Top is later type, bottom is early less restricted type). If you don't have one they are hard to find but do pop up on ebay occasionally:






The money shot Wink





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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 02 Nov 2018 at 19:32
Originally posted by ForzaApriliaRacing ForzaApriliaRacing wrote:

Gabro Clone ?
Where did you hear such bullsh*t ?
Aprilia Tech?๐Ÿ˜‚๐Ÿ˜‚

Haha no, worse than that. I heard it somewhere on the internet. Think it was Gabro talking about why his chips are encrypted and how all but a few are just clones of his. I know nothing about how to create these chips and figured they probsbly need many hours of dyno time to get right. 

I knew of your chips and thought you were just doing everyone a solid by continuing to develop and tweak the gabro chips after it seems many have abandoned the v990s. Sorry if I did you a disservice. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jollygiant Quote  Post ReplyReply Direct Link To This Post Posted: 02 Nov 2018 at 21:10
Originally posted by ForzaApriliaRacing ForzaApriliaRacing wrote:

Gabro Clone ?
Where did you hear such bullsh*t ?
Aprilia Tech?๐Ÿ˜‚๐Ÿ˜‚

Thats bit harsh.

Ive never seen anything of the like on there.
Check out my pre-preg carbon fibre
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Post Options Post Options   Thanks (0) Thanks(0)   Quote damo46 Quote  Post ReplyReply Direct Link To This Post Posted: 02 Nov 2018 at 21:11
Originally posted by MSNracing MSNracing wrote:

Clutch jet ?
One way valve ? 

I found when exiting pit lane, stoping and selecting neutral was difficult and even once it showed it was in neutral but then as I let the clutch out it still moved, and returning to the pits stalling the bike was easier then find neutral. 
Also on down shift it wouldnโ€™t always catch gear release the clutch and it was between gears


This is the clutch jet

This is the one way valve
Lift the tank up and you will see it on the right hand side.



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Post Options Post Options   Thanks (0) Thanks(0)   Quote Paddedcell100 Quote  Post ReplyReply Direct Link To This Post Posted: 02 Nov 2018 at 21:31
Originally posted by Jollygiant Jollygiant wrote:

Originally posted by ForzaApriliaRacing ForzaApriliaRacing wrote:

Gabro Clone ?
Where did you hear such bullsh*t ?
Aprilia Tech?๐Ÿ˜‚๐Ÿ˜‚

Thats bit harsh.

Ive never seen anything of the like on there.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote yellowrsvr Quote  Post ReplyReply Direct Link To This Post Posted: 03 Nov 2018 at 12:43
The best mods I've done are the following:
 
Most noticeable:
Modified Collector, FR200 Chip and set up by Griff @ Aprilia Performance
 
Most fun:
16-44 gearing
 
Cheapest:
Clutch jet upgrade
 
Dearest:
Brembo RCS Master cylinder and Monoblocks
 
Other:
Rider coaching, its no good having all the gear, if you have no idea !!
 
I can personally recommend Gary and the team @ Not So Fast Wink
 
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 07 Nov 2018 at 12:04
Originally posted by yellowrsvr yellowrsvr wrote:

The best mods I've done are the following:
 
Other:
Rider coaching, its no good having all the gear, if you have no idea !!
 
I can personally recommend Gary and the team @ Not So Fast Wink
 


This is probably best use of money. On track the bike doesn't make much difference unless you're already really good at riding. I've been passed round the outside by CB500s and I've overtaken modern litre bikes on straights. So a guy with 50hp was much quicker than me with 115hp and I was much quicker than a guy with 180hp. If an 130hp advantage didn't help that guy, 1 or 2 hp on our bikes won't make any difference at all.

I haven't had paid tuition yet but found instructors with No Limits and MVC really helped me. A bit of help from an instructor is probably worth a few track days of experience. A full day with Not So Fast or Dean Ellison or Mike Edwards or someone would be worth more than an extra 100hp in the long run. Plus you get to keep that speed even if you total your bike.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MSNracing Quote  Post ReplyReply Direct Link To This Post Posted: 12 Nov 2018 at 20:02
Iโ€™m assuming they all have this clutch jet ? How does it work? Clean or replace ? How to change it ? 

Thanks
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IanG Quote  Post ReplyReply Direct Link To This Post Posted: 12 Nov 2018 at 22:16
Yup,all of them.  It's a little brass jet that meters oil feed to the clutch,hidden behind a blanking screw in the case near the filter and drain plug.

Early bikes had a 70 or 60 if irc,later Gen2's came down to 40 I think

It's essentially a pilot jet from an old carb LOL
www.apriliaperformance.co.uk
www.apriliaforum.co.uk
www.apriliaownersclub.co.uk

Looking forward to the next track day
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