Re: OMG! 3rd RX at Home - 1998 Yamaha RX135 4S
5-Speed Head ported and polished
I also recommend you try Matt Black Colour with Original Badges.I think it will look killer.
I remember reading FAQ RX questions thread at xBhp by Mr. Kartkik Datta. He said that 4-speed i.e. 4TL00 kits are used more for racing esp. drag racing.
This is what he mentioned in that thred:
7. I have a RX135 5-Speed, can i use a 4-speed bore (4TL00) in it & have similar performance?
Ans:Depending on the availability, yes. A 4-speed bore will give you more torque & excellent city ride with low end grunt. It will also return more FE. Replacing the cylinder kit should do the job & correct tuning. As an option carburettor assembly can also be used of a 4-speed.
Answering second part very specifically, a 4-speed bore & 5-speed bore can never have similar performance even if the BHP levels are the same. Both were designed with a different intent.
A 4-speed bore is rated at 12BHP at crank & the 5-Speed at 14BHP at crank. You will need to modify the 4-speed cylinder by porting the exhaust to bring it upto 14BHP. This is what is stage 1 porting in case of 4TL00 kits. The top-speeds will be the same as a 4TL10 kit, but a ported 4TL00 kit will get there faster. It is the inherent characteristic of the cylinder that makes it produce more starting torque. This is the reason 4TL00 kits are more preferred in Drag racing, where not only the top speed is important, but hitting that top speed within 400Mts is of more importance.
Did you read the last line ?
And about the colour, a dual tone finish would be perfect. Yes, matt black will look awesome. But if left plain, then I am sorry. It would be worser. If you give some stickering treatment above Matte Black, then it would look awesome and heads will turn you especially in daytime.
And for modifications, consider turning your RX into Cafe Racer, Import RX-King Close Ratio gearbox and high comp. ratio cylinder Head, TOP PRO/ART Pistons, Hero Karizma/Pulsar Alloys, Mono Shock suspension at rear, Rear disc, Maybe 17"/16" rim at back, Synthetic 2t oil, Iridium Plug, Fiber reeds, etc etc.
These will cost huge money and time and if done suggested mods of mine and Bharath, You will have a fantastic finish out and you will have the best modded RX in the world !